| Year |
Citation |
Score |
| 2016 |
Latta SC, Cabezas S, Mejia DA, Paulino MM, Almonte H, Miller-Butterworth CM, Bortolotti GR. Carry-over effects provide linkages across the annual cycle of a Neotropical migratory bird, the Louisiana Waterthrush Parkesia motacilla Ibis. 158: 395-406. DOI: 10.1111/Ibi.12344 |
0.39 |
|
| 2015 |
Treen GD, Hobson KA, Marchant TA, Bortolotti GR. Large-scale spatial variation in feather corticosterone in invasive house sparrows (Passer domesticus) in Mexico is related to climate. Ecology and Evolution. 5: 3808-17. PMID 26380707 DOI: 10.1002/Ece3.1638 |
0.313 |
|
| 2015 |
Rebolo-Ifrán N, Carrete M, Sanz-Aguilar A, Rodríguez-Martínez S, Cabezas S, Marchant TA, Bortolotti GR, Tella JL. Links between fear of humans, stress and survival support a non-random distribution of birds among urban and rural habitats. Scientific Reports. 5: 13723. PMID 26348294 DOI: 10.1038/Srep13723 |
0.315 |
|
| 2015 |
Harms NJ, Legagneux P, Gilchrist HG, Bêty J, Love OP, Forbes MR, Bortolotti GR, Soos C. Feather corticosterone reveals effect of moulting conditions in the autumn on subsequent reproductive output and survival in an Arctic migratory bird. Proceedings. Biological Sciences / the Royal Society. 282: 20142085. PMID 25540279 DOI: 10.1098/Rspb.2014.2085 |
0.397 |
|
| 2014 |
Fairhurst GD, Dawson RD, van Oort H, Bortolotti GR. Synchronizing feather-based measures of corticosterone and carotenoid-dependent signals: what relationships do we expect? Oecologia. 174: 689-98. PMID 24233689 DOI: 10.1007/S00442-013-2830-5 |
0.352 |
|
| 2014 |
Harriman VB, Dawson RD, Clark RG, Fairhurst GD, Bortolotti GR. Effects of ectoparasites on seasonal variation in quality of nestling Tree Swallows (Tachycineta bicolor) Canadian Journal of Zoology. 92: 87-96. DOI: 10.1139/Cjz-2013-0209 |
0.41 |
|
| 2013 |
Legagneux P, Harms NJ, Gauthier G, Chastel O, Gilchrist HG, Bortolotti G, Bêty J, Soos C. Does feather corticosterone reflect individual quality or external stress in arctic-nesting migratory birds? Plos One. 8: e82644. PMID 24391720 DOI: 10.1371/Journal.Pone.0082644 |
0.391 |
|
| 2013 |
Grava T, Fairhurst GD, Avey MT, Grava A, Bradley J, Avis JL, Bortolotti GR, Sturdy CB, Otter KA. Habitat quality affects early physiology and subsequent neuromotor development of juvenile black-capped chickadees. Plos One. 8: e71852. PMID 23951257 DOI: 10.1371/Journal.Pone.0071852 |
0.355 |
|
| 2013 |
Fairhurst GD, Vögeli M, Serrano D, Delgado A, Tella JL, Bortolotti GR. Can synchronizing feather-based measures of corticosterone and stable isotopes help us better understand habitat-physiology relationships? Oecologia. 173: 731-43. PMID 23666371 DOI: 10.1007/S00442-013-2678-8 |
0.348 |
|
| 2013 |
Mougeot F, Gerrard J, Dzus E, Arroyo B, Gerrard PN, Dzus C, Bortolotti GR. Population Trends and Reproduction of Bald Eagles at Besnard Lake, Saskatchewan, Canada 1968–2012 Journal of Raptor Research. 47: 96-107. DOI: 10.3356/Jrr-12-45.1 |
0.317 |
|
| 2013 |
Martínez-Padilla J, Mougeot F, García JT, Arroyo B, Bortolotti GR. Feather corticosterone levels and carotenoid-based coloration in common buzzard (Buteo buteo) nestlings Journal of Raptor Research. 47: 161-173. DOI: 10.3356/Jrr-12-41.1 |
0.333 |
|
| 2013 |
Yosef R, Gombobaatar S, Bortolotti GR. Sibling Competition Induces Stress Independent of Nutritional Status in Broods of Upland Buzzards Journal of Raptor Research. 47: 127-132. DOI: 10.3356/Jrr-12-14.1 |
0.342 |
|
| 2013 |
Carrete M, Bortolotti GR, Sánchez‐Zapata JA, Delgado A, Cortés‐Avizanda A, Grande JM, Donázar JA. Stressful conditions experienced by endangered Egyptian vultures on African wintering areas Animal Conservation. 16: 353-358. DOI: 10.1111/Acv.12001 |
0.415 |
|
| 2013 |
Cabezas S, Carrete M, Tella JL, Marchant TA, Bortolotti GR. Differences in acute stress responses between wild-caught and captive-bred birds: a physiological mechanism contributing to current avian invasions? Biological Invasions. 15: 521-527. DOI: 10.1007/S10530-012-0304-Z |
0.311 |
|
| 2012 |
Fairhurst GD, Navarro J, González-Solís J, Marchant TA, Bortolotti GR. Feather corticosterone of a nestling seabird reveals consequences of sex-specific parental investment. Proceedings. Biological Sciences / the Royal Society. 279: 177-84. PMID 21632628 DOI: 10.1098/Rspb.2011.0884 |
0.358 |
|
| 2012 |
Lambrechts MM, Wiebe KL, Sunde P, Solonen T, Sergio F, Roulin A, Møller AP, López BC, Fargallo JA, Exo KM, Dell'Omo G, Costantini D, Charter M, Butler MW, Bortolotti GR, et al. Nest box design for the study of diurnal raptors and owls is still an overlooked point in ecological, evolutionary and conservation studies: A review Journal of Ornithology. 153: 23-34. DOI: 10.1007/S10336-011-0720-3 |
0.622 |
|
| 2011 |
Gangoso L, Grande JM, Ducrest AL, Figuerola J, Bortolotti GR, Andrés JA, Roulin A. MC1R-dependent, melanin-based colour polymorphism is associated with cell-mediated response in the Eleonora's falcon. Journal of Evolutionary Biology. 24: 2055-63. PMID 21696477 DOI: 10.1111/J.1420-9101.2011.02336.X |
0.319 |
|
| 2011 |
Cabezas S, Tella JL, Carrete M, Bortolotti GR. Is the Rufous Axillary Patch of the Screaming Cowbird a Secondary Sexual Character Ardeola. 58: 309-313. DOI: 10.13157/Arla.58.2.2011.309 |
0.38 |
|
| 2010 |
Mougeot F, Martínez-Padilla J, Bortolotti GR, Webster LMI, Piertney SB. Physiological stress links parasites to carotenoid‐based colour signals Journal of Evolutionary Biology. 23: 643-650. PMID 20074170 DOI: 10.1111/J.1420-9101.2009.01926.X |
0.31 |
|
| 2010 |
Harms NJ, Fairhurst GD, Bortolotti GR, Smits JE. Variation in immune function, body condition, and feather corticosterone in nestling tree swallows (Tachycineta bicolor) on reclaimed wetlands in the Athabasca oil sands, Alberta, Canada. Environmental Pollution (Barking, Essex : 1987). 158: 841-8. PMID 19850385 DOI: 10.1016/J.Envpol.2009.09.025 |
0.319 |
|
| 2009 |
Bortolotti GR, Marchant T, Blas J, Cabezas S. Tracking stress: localisation, deposition and stability of corticosterone in feathers. The Journal of Experimental Biology. 212: 1477-82. PMID 19411541 DOI: 10.1242/Jeb.022152 |
0.323 |
|
| 2009 |
Negro JJ, Bortolotti GR, Mateo R, García IM. Porphyrins and pheomelanins contribute to the reddish juvenal plumage of black-shouldered kites. Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology. 153: 296-9. PMID 19351566 DOI: 10.1016/J.Cbpb.2009.03.013 |
0.333 |
|
| 2009 |
Smallwood JA, Causey MF, Mossop DH, Klucsarits JR, Robertson B, Robertson S, Mason J, Maurer MJ, Melvin RJ, Dawson RD, Bortolotti GR, Parrish JW, Breen TF, Boyd K. Why are American Kestrel (Falco sparverius) populations declining in North America? Evidence from nest-box programs Journal of Raptor Research. 43: 274-282. DOI: 10.3356/Jrr-08-83.1 |
0.301 |
|
| 2009 |
Bortolotti GR, Hobson KA, Butt UJ, Surai PF. Influence of Diet on Egg Size in American Coots (Fulica americana): Evidence from Food Supplementation and Biochemical Markers The Auk. 126: 831-838. DOI: 10.1525/Auk.2009.08197 |
0.396 |
|
| 2009 |
Galván I, Negro JJ, Bortolotti GR, Margalida A. On silver wings: a fragile structural mechanism increases plumage conspicuousness Journal of Avian Biology. 40: 475-480. DOI: 10.1111/J.1600-048X.2009.04820.X |
0.305 |
|
| 2008 |
Bortolotti GR, González LM, Margalida A, Sánchez R, Oria J. Positive assortative pairing by plumage colour in Spanish imperial eagles. Behavioural Processes. 78: 100-7. PMID 18295983 DOI: 10.1016/J.Beproc.2008.01.007 |
0.418 |
|
| 2008 |
Dawson RD, Bortolotti GR. Experimentally prolonging the brood-rearing period reveals sex-specific parental investment strategies in American kestrels (falco sparverius) Auk. 125: 889-895. DOI: 10.1525/Auk.2008.07165 |
0.436 |
|
| 2008 |
Sarasola JH, Negro JJ, Hobson KA, Bortolotti GR, Bildstein KL. Can a 'wintering area effect' explain population status of Swainson's hawks? A stable isotope approach Diversity and Distributions. 14: 686-691. DOI: 10.1111/J.1472-4642.2008.00475.X |
0.332 |
|
| 2008 |
Bortolotti GR, Marchant TA, Blas J, German T. Corticosterone in feathers is a long-term, integrated measure of avian stress physiology Functional Ecology. 22: 494-500. DOI: 10.1111/J.1365-2435.2008.01387.X |
0.372 |
|
| 2007 |
Blas J, Bortolotti GR, Tella JL, Baos R, Marchant TA. Stress response during development predicts fitness in a wild, long lived vertebrate Proceedings of the National Academy of Sciences of the United States of America. 104: 8880-8884. PMID 17517658 DOI: 10.1073/Pnas.0700232104 |
0.326 |
|
| 2007 |
Martínez-Padilla J, Mougeot F, Pérez-Rodríguez L, Bortolotti GR. Nematode parasites reduce carotenoid-based signalling in male red grouse. Biology Letters. 3: 161-4. PMID 17264052 DOI: 10.1098/Rsbl.2006.0593 |
0.301 |
|
| 2007 |
Papp Z, Bortolotti GR, Sebastian M, Smits JE. PCB congener profiles in nestling tree swallows and their insect prey. Archives of Environmental Contamination and Toxicology. 52: 257-63. PMID 17165104 DOI: 10.1007/S00244-006-0037-Z |
0.357 |
|
| 2007 |
Negro JJ, Bortolotti GR, Sarasola JH. Deceptive plumage signals in birds: manipulation of predators or prey? Biological Journal of the Linnean Society. 90: 467-477. DOI: 10.1111/J.1095-8312.2007.00735.X |
0.35 |
|
| 2007 |
Mougeot FR, Martinez-Padilla J, Perez-Rodriguez L, Bortolotti GR. Carotenoid-based colouration and ultraviolet reflectance of the sexual ornaments of grouse Behavioral Ecology and Sociobiology. 61: 741-751. DOI: 10.1007/S00265-006-0304-Z |
0.331 |
|
| 2006 |
Blas J, Pérez-Rodríguez L, Bortolotti GR, Viñuela J, Marchant TA. Testosterone increases bioavailability of carotenoids: Insights into the honesty of sexual signaling Proceedings of the National Academy of Sciences of the United States of America. 103: 18633-18637. PMID 17121984 DOI: 10.1073/Pnas.0609189103 |
0.336 |
|
| 2006 |
Pappas AC, Karadas F, Surai PF, Wood NA, Cassey P, Bortolotti GR, Speake BK. Interspecies variation in yolk selenium concentrations among eggs of free-living birds: The effect of phylogeny. Journal of Trace Elements in Medicine and Biology : Organ of the Society For Minerals and Trace Elements (Gms). 20: 155-60. PMID 16959592 DOI: 10.1016/J.Jtemb.2006.03.001 |
0.359 |
|
| 2006 |
Dawson RD, Bortolotti GR. Carotenoid-dependent coloration of male American kestrels predicts ability to reduce parasitic infections Naturwissenschaften. 93: 597-602. PMID 16912887 DOI: 10.1007/S00114-006-0146-6 |
0.367 |
|
| 2006 |
Fisher SA, Bortolotti GR, Fernie KJ, Bird DM, Smits JE. Brood patches of American kestrels altered by experimental exposure to PCBs. Journal of Toxicology and Environmental Health. Part A. 69: 1603-12. PMID 16854788 DOI: 10.1080/15287390500470718 |
0.405 |
|
| 2006 |
Blas J, Baos R, Bortolotti GR, Marchant TA, Hiraldo F. Age-related variation in the adrenocortical response to stress in nestling white storks (Ciconia ciconia) supports the developmental hypothesis. General and Comparative Endocrinology. 148: 172-80. PMID 16624312 DOI: 10.1016/J.Ygcen.2006.02.011 |
0.335 |
|
| 2006 |
Fisher SA, Bortolotti GR, Fernie KJ, Bird DM, Smits JE. Behavioral variation and its consequences during incubation for American kestrels exposed to polychlorinated biphenyls. Ecotoxicology and Environmental Safety. 63: 226-35. PMID 16169079 DOI: 10.1016/J.Ecoenv.2005.07.021 |
0.301 |
|
| 2006 |
Dawson RD, Bortolotti GR. Fire in the boreal forest: Proximate effects on reproduction and long-term consequences for territory occupancy of American kestrels Ecoscience. 13: 75-81. DOI: 10.2980/1195-6860(2006)13[75:Fitbfp]2.0.Co;2 |
0.327 |
|
| 2006 |
Bortolotti GR, Blas J, Negro JJ, Tella JL. A complex plumage pattern as an honest social signal Animal Behaviour. 72: 423-430. DOI: 10.1016/J.Anbehav.2006.01.016 |
0.396 |
|
| 2006 |
Pérez-Rodríguez L, Blas J, Viñuela J, Marchant TA, Bortolotti GR. Condition and androgen levels: are condition-dependent and testosterone-mediated traits two sides of the same coin? Animal Behaviour. 72: 97-103. DOI: 10.1016/J.Anbehav.2005.09.021 |
0.344 |
|
| 2005 |
Papp Z, Bortolotti GR, Smits JE. Organochlorine contamination and physiological responses in nestling tree swallows in Point Pelee National Park, Canada. Archives of Environmental Contamination and Toxicology. 49: 563-8. PMID 16205989 DOI: 10.1007/S00244-004-0214-X |
0.344 |
|
| 2005 |
Forero MG, González-Solís J, Hobson KA, Donázar JA, Bertellotti M, Blanco G, Bortolotti GR. Stable isotopes reveal trophic segregation by sex and age in the southern giant petrel in two different food webs Marine Ecology Progress Series. 296: 107-113. DOI: 10.3354/Meps296107 |
0.445 |
|
| 2005 |
Blas J, Baos R, Bortolotti GR, Marchant T, Hiraldo F. A multi‐tier approach to identifying environmental stress in altricial nestling birds Functional Ecology. 19: 315-322. DOI: 10.1111/J.1365-2435.2005.00976.X |
0.373 |
|
| 2004 |
Forero MG, Bortolotti GR, Hobson KA, Donazar JA, Bertelloti M, Blanco G. High trophic overlap within the seabird community of Argentinean Patagonia: a multiscale approach Journal of Animal Ecology. 73: 789-801. DOI: 10.1111/J.0021-8790.2004.00852.X |
0.345 |
|
| 2003 |
Fernie K, Bortolotti G, Smits J. Reproductive abnormalities, teratogenicity, and developmental problems in American kestrels (Falco sparverius) exposed to polychlorinated biphenyls. Journal of Toxicology and Environmental Health. Part A. 66: 2089-103. PMID 14710594 DOI: 10.1080/15287390390211270 |
0.35 |
|
| 2003 |
Fernie K, Bortolotti G, Drouillard K, Smits J, Marchant T. Developmental toxicity of in ovo exposure to polychlorinated biphenyls: II. Effects of maternal or paternal exposure on second-generation nestling american kestrels. Environmental Toxicology and Chemistry. 22: 2688-94. PMID 14587909 DOI: 10.1897/02-551 |
0.361 |
|
| 2003 |
Bortolotti GR, Negro JJ, Surai PF, Prieto P. Carotenoids in eggs and plasma of red-legged partridges: effects of diet and reproductive output. Physiological and Biochemical Zoology : Pbz. 76: 367-74. PMID 12905123 DOI: 10.1086/375432 |
0.346 |
|
| 2003 |
Love OP, Shutt LJ, Silfies JS, Bortolotti GR, Smits JE, Bird DM. Effects of dietary PCB exposure on adrenocortical function in captive American kestrels (Falco sparverius). Ecotoxicology (London, England). 12: 199-208. PMID 12739868 DOI: 10.1023/A:1022502826800 |
0.348 |
|
| 2003 |
Bortolotti GR, Smits JE, Bird DM. Iris colour of American kestrels varies with age, sex, and exposure to PCBs. Physiological and Biochemical Zoology : Pbz. 76: 99-104. PMID 12695990 DOI: 10.1086/345485 |
0.353 |
|
| 2003 |
Fernie K, Smits J, Bortolotti G. Developmental toxicity of in ovo exposure to polychlorinated biphenyls: I. Immediate and subsequent effects on first-generation nestling American kestrels (Falco sparverius). Environmental Toxicology and Chemistry. 22: 554-60. PMID 12627642 DOI: 10.1002/Etc.5620220313 |
0.383 |
|
| 2003 |
Dawson RD, Bortolotti GR. Parental effort of American kestrels: The role of variation in brood size Canadian Journal of Zoology. 81: 852-860. DOI: 10.1139/Z03-064 |
0.39 |
|
| 2003 |
Bortolotti GR, Fernie KJ, Smits JE. Carotenoid concentration and coloration of American Kestrels (Falco sparverius) disrupted by experimental exposure to PCBs Functional Ecology. 17: 651-657. DOI: 10.1046/J.1365-2435.2003.00778.X |
0.365 |
|
| 2002 |
Smits JE, Fernie KJ, Bortolotti GR, Marchant TA. Thyroid hormone suppression and cell-mediated immunomodulation in American kestrels (Falco sparverius) exposed to PCBs. Archives of Environmental Contamination and Toxicology. 43: 338-44. PMID 12202931 DOI: 10.1007/S00244-002-1200-9 |
0.387 |
|
| 2002 |
Forero MG, Hobson KA, Bortolotti GR, Donázar JA, Bertellotti M, Blanco G. Food resource utilisation by the Magellanic penguin evaluated through stable-isotope analysis: segregation by sex and age and influence on offspring quality Marine Ecology Progress Series. 234: 289-299. DOI: 10.3354/Meps234289 |
0.376 |
|
| 2002 |
WIEBE KL, BORTOLOTTI GR. VARIATION IN CAROTENOID-BASED COLOR IN NORTHERN FLICKERS IN A HYBRID ZONE The Wilson Bulletin. 114: 393-400. DOI: 10.1676/0043-5643(2002)114[0393:Vicbci]2.0.Co;2 |
0.65 |
|
| 2002 |
Bortolotti GR, Dawson RD, Murza GL. Stress during feather development predicts fitness potential Journal of Animal Ecology. 71: 333-342. DOI: 10.1046/J.1365-2656.2002.00602.X |
0.322 |
|
| 2002 |
Dawson RD, Bortolotti GR. Experimental evidence for food limitation and sex-specific strategies of American kestrels (Falco sparverius) provisioning offspring Behavioral Ecology and Sociobiology. 52: 43-52. DOI: 10.1007/S00265-002-0486-Y |
0.413 |
|
| 2001 |
Dawson RD, Bortolotti GR. Sex-specific associations between reproductive output and hematozoan parasites of American kestrels. Oecologia. 126: 193-200. PMID 28547617 DOI: 10.1007/S004420000506 |
0.364 |
|
| 2001 |
Drouillard KG, Fernie KJ, Smits JE, Bortolotti GR, Bird DM, Norstrom RJ. Bioaccumulation and toxicokinetics of 42 polychlorinated biphenyl congeners in American kestrels (Falco sparverius) Environmental Toxicology and Chemistry. 20: 2514-2522. PMID 11699777 DOI: 10.1002/Etc.5620201117 |
0.309 |
|
| 2001 |
Fernie KJ, Smits JE, Bortolotti GR, Bird DM. In ovo exposure to polychlorinated biphenyls: reproductive effects on second-generation American kestrels. Archives of Environmental Contamination and Toxicology. 40: 544-50. PMID 11525498 DOI: 10.1007/S002440010208 |
0.429 |
|
| 2001 |
Miller MJR, Wayland ME, Bortolotti GR. Hemograms for and nutritional condition of migrant bald eagles tested for exposure to lead. Journal of Wildlife Diseases. 37: 481-488. PMID 11504222 DOI: 10.7589/0090-3558-37.3.481 |
0.33 |
|
| 2001 |
Fisher SA, Bortolotti GR, Fernie KJ, Smits JE, Marchant TA, Drouillard KG, Bird DM. Courtship behavior of captive American kestrels (Falco sparverius) exposed to polychlorinated biphenyls Archives of Environmental Contamination and Toxicology. 41: 215-220. PMID 11462146 DOI: 10.1007/S002440010240 |
0.38 |
|
| 2001 |
Smits JE, Bortolotti GR. Antibody-mediated immunotoxicity in American kestrels (Falco sparverius) exposed to polychlorinated biphenyls. Journal of Toxicology and Environmental Health. Part A. 62: 217-26. PMID 11245392 DOI: 10.1080/009841001459388 |
0.322 |
|
| 2001 |
Wiebe KL, Bortolotti GR. Variation in colour within a population of northern flickers: a new perspective on an old hybrid zone Canadian Journal of Zoology. 79: 1046-1052. DOI: 10.1139/Z01-065 |
0.598 |
|
| 2001 |
Dawson RD, Bortolotti GR, Murza GL. Sex-dependent frequency and consequences of natural handicaps in American Kestrels Journal of Avian Biology. 32: 351-357. DOI: 10.1111/J.0908-8857.2001.320410.X |
0.408 |
|
| 2001 |
Fernie KJ, Smits JE, Bortolotti GR, Bird DM. Reproduction success of American kestrels exposed to dietary polychlorinated biphenyls Environmental Toxicology and Chemistry. 20: 776-781. DOI: 10.1002/Etc.5620200412 |
0.399 |
|
| 2000 |
Tella JL, Bortolotti GR, Forero MG, Dawson RD. Environmental and genetic variation in T-cell-mediated immune response of fledgling American kestrels. Oecologia. 123: 453-459. PMID 28308752 DOI: 10.1007/S004420000331 |
0.316 |
|
| 2000 |
Bortolotti GR, Tella JL, Forero MG, Dawson RD, Negro JJ. Genetics, local environment and health as factors influencing plasma carotenoids in wild American kestrels (Falco sparverius Proceedings of the Royal Society B: Biological Sciences. 267: 1433-1438. PMID 10983827 DOI: 10.1098/Rspb.2000.1160 |
0.392 |
|
| 2000 |
Fernie KJ, Bortolotti GR, Smits JE, Wilson J, Drouillard KG, Bird DM. Chances in egg composition of american kestrels exposed to dietary polychlorinated biphenyls Journal of Toxicology and Environmental Health - Part A. 60: 291-303. PMID 10914693 DOI: 10.1080/00984100050027833 |
0.412 |
|
| 2000 |
Tella JL, Bortolotti GR, Dawson RD, Forero MG. The T-cell-mediated immune response and return rate of fledgling American kestrels are positively correlated with parental clutch size Proceedings of the Royal Society B: Biological Sciences. 267: 891-895. PMID 10853731 DOI: 10.1098/Rspb.2000.1086 |
0.395 |
|
| 2000 |
Dawson RD, Bortolotti GR. Reproductive Success Of American Kestrels: The Role Of Prey Abundance And Weather The Condor. 102: 814-822. DOI: 10.1650/0010-5422(2000)102[0814:Rsoakt]2.0.Co;2 |
0.428 |
|
| 2000 |
Dawson RD, Bortolotti GR. Effects Of Hematozoan Parasites On Condition And Return Rates Of American Kestrels The Auk. 117: 373-380. DOI: 10.1642/0004-8038(2000)117[0373:Eohpoc]2.0.Co;2 |
0.327 |
|
| 2000 |
Wiebe KL, Bortolotti GR. Parental interference in sibling aggression in birds: What should we look for? éCoscience. 7: 1-9. DOI: 10.1080/11956860.2000.11682564 |
0.595 |
|
| 1999 |
Dawson RD, Bortolotti GR. Prevalence and intensity of hematozoan infections in a population of American kestrels Canadian Journal of Zoology. 77: 162-170. DOI: 10.1139/Z98-206 |
0.338 |
|
| 1999 |
Smits JE, Bortolotti GR, Tella JL. Simplifying the phytohaemagglutinin skin‐testing technique in studies of avian immunocompetence Functional Ecology. 13: 567-572. DOI: 10.1046/J.1365-2435.1999.00338.X |
0.308 |
|
| 1998 |
Negro JJ, Bortolotti GR, Tella JL, Fernie KJ, Bird DM. Regulation of integumentary colour and plasma carotenoids in American Kestrels consistent with sexual selection theory Functional Ecology. 12: 307-312. DOI: 10.1046/J.1365-2435.1998.00176.X |
0.389 |
|
| 1997 |
Dawson RD, Bortolotti GR. Are avian hematocrits indicative of condition ? American kestrels as a model Journal of Wildlife Management. 61: 1297-1306. DOI: 10.2307/3802129 |
0.381 |
|
| 1997 |
Dawson RD, Bortolotti GR. Ecology Of Parasitism Of Nestling American Kestrels By Carnus Hemapterus (Diptera : Carnidae) Canadian Journal of Zoology. 75: 2021-2026. DOI: 10.1139/Z97-835 |
0.33 |
|
| 1997 |
Dawson RD, Bortolotti GR. Variation in hematocrit and total plasma proteins of nestling American kestrels (Falco sparverius) in the wild Comparative Biochemistry and Physiology - a Physiology. 117: 383-390. DOI: 10.1016/S0300-9629(96)00364-7 |
0.323 |
|
| 1996 |
Wiebe KL, Bortolotti GR. The proximate effects of food supply on intraclutch egg-size variation in American kestrels Canadian Journal of Zoology. 74: 118-124. DOI: 10.1139/Z96-016 |
0.66 |
|
| 1996 |
Bortolotti GR, Negro JJ, Tella JL, Marchant TA, Bird DM. Sexual dichromatism in birds independent of diet, parasites and androgens Proceedings of the Royal Society B: Biological Sciences. 263: 1171-1176. DOI: 10.1098/Rspb.1996.0171 |
0.406 |
|
| 1996 |
Dzus EH, Bortolotti GR, Gerrard JM. Does sex-biased hatching order in bald eagles vary with food resources? Ecoscience. 3: 252-258. DOI: 10.1080/11956860.1996.11682339 |
0.347 |
|
| 1995 |
Bortolotti GR, Gabrielson JR. Fluctuating asymmetry in the skeleton of the American kestrel, Falco sparverius: a test of the consequences of sexual size dimorphism Canadian Journal of Zoology. 73: 141-145. DOI: 10.1139/Z95-016 |
0.397 |
|
| 1995 |
Wiebe KL, Bortolotti GR. Egg size and clutch size in the reproductive investment of American Kestrels Journal of Zoology. 237: 285-301. DOI: 10.1111/J.1469-7998.1995.Tb02763.X |
0.646 |
|
| 1995 |
Wiebe KL, Bortolotti GR. Food-dependent benefits of hatching asynchrony in American kestrels Falco sparverius Behavioral Ecology and Sociobiology. 36: 49-57. DOI: 10.1007/Bf00175728 |
0.612 |
|
| 1994 |
Wiebe KL, Bortolotti GR. Energetic Efficiency of Reproduction: the Benefits of Asynchronous Hatching for American Kestrels The Journal of Animal Ecology. 63: 551. DOI: 10.2307/5221 |
0.623 |
|
| 1994 |
Wiebe KL, Bortolotti GR. Food Supply and Hatching Spans of Birds: Energy Constraints or Facultative Manipulation Ecology. 75: 813-823. DOI: 10.2307/1941737 |
0.656 |
|
| 1993 |
Wiebe KL, Bortolotti GR. Brood Patches of American Kestrels: An Ecological and Evolutionary Perspective Ornis Scandinavica. 24: 197. DOI: 10.2307/3676735 |
0.651 |
|
| 1993 |
Bortolotti GR, Wiebe KL. Incubation Behaviour and Hatching Patterns in the American Kestrel Falco sparverius Ornis Scandinavica. 24: 41. DOI: 10.2307/3676408 |
0.655 |
|
| 1992 |
Bortolotti GR, Iko WM. Non-random pairing in American kestrels: mate choice versus intra-sexual competition Animal Behaviour. 44: 811-821. DOI: 10.1016/S0003-3472(05)80577-9 |
0.391 |
|
| 1992 |
Wiebe K, Bortolotti G. Facultative sex ratio manipulation in American kestrels Behavioral Ecology and Sociobiology. 30. DOI: 10.1007/Bf00176172 |
0.659 |
|
| 1991 |
Bortolotti GR, Wiebe KL, Iko WM. Cannibalism of nestling American kestrels by their parents and siblings Canadian Journal of Zoology. 69: 1447-1453. DOI: 10.1139/Z91-205 |
0.629 |
|
| 1990 |
Bortolotti GR, Szuba KJ, Naylor BJ, Bendell JF. Intrapopulation variation in mineral profiles of feathers of Spruce Grouse Canadian Journal of Zoology. 68: 585-590. DOI: 10.1139/Z90-083 |
0.346 |
|
| 1989 |
Bortolotti GR. Factors influencing the growth of Bald Eagles in north central Saskatchewan Canadian Journal of Zoology. 67: 606-611. DOI: 10.1139/Z89-088 |
0.346 |
|
| 1988 |
Bortolotti GR, Barlow JC. Some sources of variation in the elemental composition of Bald Eagle feathers Canadian Journal of Zoology. 66: 1948-1951. DOI: 10.1139/Z88-285 |
0.747 |
|
| 1986 |
Bortolotti GR. Influence of Sibling Competition on Nestling Sex Ratios of Sexually Dimorphic Birds The American Naturalist. 127: 495-507. DOI: 10.1086/284498 |
0.389 |
|
| 1985 |
Bortolotti GR, Barlow JC. Neutron activation analysis of bald eagle feathers: analytical precision and sources of sampling variation Canadian Journal of Zoology. 63: 2707-2718. DOI: 10.1139/Z85-405 |
0.725 |
|
| 1984 |
Bortolotti GR. Sexual Size Dimorphism And Age-Related Size Variation In Bald Eagles Journal of Wildlife Management. 48: 72-81. DOI: 10.2307/3808454 |
0.354 |
|
| Show low-probability matches. |