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Items: 1 to 50 of 56

1.

Large-scale spatial variation in feather corticosterone in invasive house sparrows (Passer domesticus) in Mexico is related to climate.

Treen GD, Hobson KA, Marchant TA, Bortolotti GR.

Ecol Evol. 2015 Sep;5(17):3808-17. doi: 10.1002/ece3.1638. Epub 2015 Aug 21.

2.

Links between fear of humans, stress and survival support a non-random distribution of birds among urban and rural habitats.

Rebolo-Ifrán N, Carrete M, Sanz-Aguilar A, Rodríguez-Martínez S, Cabezas S, Marchant TA, Bortolotti GR, Tella JL.

Sci Rep. 2015 Sep 8;5:13723. doi: 10.1038/srep13723.

3.

Feather corticosterone reveals effect of moulting conditions in the autumn on subsequent reproductive output and survival in an Arctic migratory bird.

Harms NJ, Legagneux P, Gilchrist HG, Bêty J, Love OP, Forbes MR, Bortolotti GR, Soos C.

Proc Biol Sci. 2015 Feb 7;282(1800):20142085. doi: 10.1098/rspb.2014.2085.

4.

Synchronizing feather-based measures of corticosterone and carotenoid-dependent signals: what relationships do we expect?

Fairhurst GD, Dawson RD, van Oort H, Bortolotti GR.

Oecologia. 2014 Mar;174(3):689-98.

PMID:
24233689
5.

Habitat quality affects early physiology and subsequent neuromotor development of juvenile black-capped chickadees.

Grava T, Fairhurst GD, Avey MT, Grava A, Bradley J, Avis JL, Bortolotti GR, Sturdy CB, Otter KA.

PLoS One. 2013 Aug 12;8(8):e71852. doi: 10.1371/journal.pone.0071852. eCollection 2013.

6.

Can synchronizing feather-based measures of corticosterone and stable isotopes help us better understand habitat-physiology relationships?

Fairhurst GD, Vögeli M, Serrano D, Delgado A, Tella JL, Bortolotti GR.

Oecologia. 2013 Nov;173(3):731-43. doi: 10.1007/s00442-013-2678-8. Epub 2013 May 11.

PMID:
23666371
7.

Birds of a feather: Neanderthal exploitation of raptors and corvids.

Finlayson C, Brown K, Blasco R, Rosell J, Negro JJ, Bortolotti GR, Finlayson G, Sánchez Marco A, Giles Pacheco F, Rodríguez Vidal J, Carrión JS, Fa DA, Rodríguez Llanes JM.

PLoS One. 2012;7(9):e45927. doi: 10.1371/journal.pone.0045927. Epub 2012 Sep 17. Erratum in: PLoS One. 2012;7(10). doi:10.1371/annotation/5160ffc6-ec2d-49e6-a05b-25b41391c3d1.

8.

MC1R-dependent, melanin-based colour polymorphism is associated with cell-mediated response in the Eleonora's falcon.

Gangoso L, Grande JM, Ducrest AL, Figuerola J, Bortolotti GR, Andrés JA, Roulin A.

J Evol Biol. 2011 Sep;24(9):2055-63. doi: 10.1111/j.1420-9101.2011.02336.x. Epub 2011 Jun 23.

9.

Feather corticosterone of a nestling seabird reveals consequences of sex-specific parental investment.

Fairhurst GD, Navarro J, González-Solís J, Marchant TA, Bortolotti GR.

Proc Biol Sci. 2012 Jan 7;279(1726):177-84. doi: 10.1098/rspb.2011.0884. Epub 2011 Jun 1.

10.

Prey behaviour across antipredator adaptation types: how does growth trajectory influence learning of predators?

Ferrari MC, Brown GE, Bortolotti GR, Chivers DP.

Anim Cogn. 2011 Nov;14(6):809-16. doi: 10.1007/s10071-011-0414-5. Epub 2011 May 10.

PMID:
21556704
11.

Does environmental enrichment reduce stress? An integrated measure of corticosterone from feathers provides a novel perspective.

Fairhurst GD, Frey MD, Reichert JF, Szelest I, Kelly DM, Bortolotti GR.

PLoS One. 2011 Mar 11;6(3):e17663. doi: 10.1371/journal.pone.0017663. Erratum in: PLoS One. 2011;6(3). doi: 10.1371/annotation/3ac615cc-2ecf-4d3e-9281-3b9b9b04cf08.

12.
13.

Oxidative stress and the effect of parasites on a carotenoid-based ornament. Corrigendum.

Mougeot F, Martínez-Padilla J, Bortolotti GR, Webster LM, Piertney SB.

J Evol Biol. 2010 Jul;23(7):1579. doi: 10.1111/j.1420-9101.2010.02045.x. No abstract available.

14.

Linking predator risk and uncertainty to adaptive forgetting: a theoretical framework and empirical test using tadpoles.

Ferrari MC, Brown GE, Bortolotti GR, Chivers DP.

Proc Biol Sci. 2010 Jul 22;277(1691):2205-10. doi: 10.1098/rspb.2009.2117. Epub 2010 Mar 17.

15.

Physiological stress links parasites to carotenoid-based colour signals.

Mougeot F, Martínez-Padilla J, Bortolotti GR, Webster LM, Piertney SB.

J Evol Biol. 2010 Mar;23(3):643-50. doi: 10.1111/j.1420-9101.2009.01926.x. Epub 2010 Jan 13. Erratum in: J Evol Biol. 2010 Jul;23(7):1579.

16.

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.

Harms NJ, Fairhurst GD, Bortolotti GR, Smits JE.

Environ Pollut. 2010 Mar;158(3):841-8. doi: 10.1016/j.envpol.2009.09.025. Epub 2009 Oct 21.

PMID:
19850385
17.

Tracking stress: localisation, deposition and stability of corticosterone in feathers.

Bortolotti GR, Marchant T, Blas J, Cabezas S.

J Exp Biol. 2009 May;212(Pt 10):1477-82. doi: 10.1242/jeb.022152.

18.

Porphyrins and pheomelanins contribute to the reddish juvenal plumage of black-shouldered kites.

Negro JJ, Bortolotti GR, Mateo R, García IM.

Comp Biochem Physiol B Biochem Mol Biol. 2009 Jul;153(3):296-9. doi: 10.1016/j.cbpb.2009.03.013. Epub 2009 Apr 5.

PMID:
19351566
19.

Physiological stress mediates the honesty of social signals.

Bortolotti GR, Mougeot F, Martinez-Padilla J, Webster LM, Piertney SB.

PLoS One. 2009;4(3):e4983. doi: 10.1371/journal.pone.0004983. Epub 2009 Mar 25.

20.

Immunological development in nestling American kestrels Falco sparverius: post-hatching ontogeny of the antibody response.

Smits JE, Bortolotti GR.

Comp Biochem Physiol A Mol Integr Physiol. 2008 Dec;151(4):711-6. doi: 10.1016/j.cbpa.2008.08.025. Epub 2008 Aug 29.

PMID:
18801453
21.

Effects of inhalation exposure to a binary mixture of benzene and toluene on vitamin a status and humoral and cell-mediated immunity in wild and captive American kestrels.

Olsgard ML, Bortolotti GR, Trask BR, Smits JE.

J Toxicol Environ Health A. 2008;71(16):1100-8. doi: 10.1080/15287390802114600.

PMID:
18569622
22.

Cell-mediated immune activation rapidly decreases plasma carotenoids but does not affect oxidative stress in red-legged partridges (Alectoris rufa).

Perez-Rodriguez L, Mougeot F, Alonso-Alvarez C, Blas J, Viñuela J, Bortolotti GR.

J Exp Biol. 2008 Jul;211(Pt 13):2155-61. doi: 10.1242/jeb.017178.

23.

Positive assortative pairing by plumage colour in Spanish imperial eagles.

Bortolotti GR, González LM, Margalida A, Sánchez R, Oria J.

Behav Processes. 2008 May;78(1):100-7. doi: 10.1016/j.beproc.2008.01.007. Epub 2008 Jan 18.

PMID:
18295983
24.

Stress response during development predicts fitness in a wild, long lived vertebrate.

Blas J, Bortolotti GR, Tella JL, Baos R, Marchant TA.

Proc Natl Acad Sci U S A. 2007 May 22;104(21):8880-4. Epub 2007 May 15.

25.

Nematode parasites reduce carotenoid-based signalling in male red grouse.

Martínez-Padilla J, Mougeot F, Pérez-Rodríguez L, Bortolotti GR.

Biol Lett. 2007 Apr 22;3(2):161-4.

26.

PCB congener profiles in nestling tree swallows and their insect prey.

Papp Z, Bortolotti GR, Sebastian M, Smits JE.

Arch Environ Contam Toxicol. 2007 Feb;52(2):257-63. Epub 2006 Dec 12.

PMID:
17165104
27.

Testosterone increases bioavailability of carotenoids: insights into the honesty of sexual signaling.

Blas J, Pérez-Rodríguez L, Bortolotti GR, Viñuela J, Marchant TA.

Proc Natl Acad Sci U S A. 2006 Dec 5;103(49):18633-7. Epub 2006 Nov 22.

28.
29.

Interspecies variation in yolk selenium concentrations among eggs of free-living birds: The effect of phylogeny.

Pappas AC, Karadas F, Surai PF, Wood NA, Cassey P, Bortolotti GR, Speake BK.

J Trace Elem Med Biol. 2006;20(3):155-60. Epub 2006 Jun 16.

PMID:
16959592
30.

Carotenoid-dependent coloration of male American kestrels predicts ability to reduce parasitic infections.

Dawson RD, Bortolotti GR.

Naturwissenschaften. 2006 Dec;93(12):597-602. Epub 2006 Aug 16.

PMID:
16912887
31.

Brood patches of American kestrels altered by experimental exposure to PCBs.

Fisher SA, Bortolotti GR, Fernie KJ, Bird DM, Smits JE.

J Toxicol Environ Health A. 2006 Sep;69(17):1603-12.

PMID:
16854788
32.

Disrupted bone metabolism in contaminant-exposed white storks (Ciconia ciconia) in southwestern Spain.

Smits JE, Bortolotti GR, Baos R, Jovani R, Tella JL, Hoffmann WE.

Environ Pollut. 2007 Jan;145(2):538-44. Epub 2006 Jun 12.

PMID:
16769163
33.

Age-related variation in the adrenocortical response to stress in nestling white storks (Ciconia ciconia) supports the developmental hypothesis.

Blas J, Baos R, Bortolotti GR, Marchant TA, Hiraldo F.

Gen Comp Endocrinol. 2006 Sep 1;148(2):172-80. Epub 2006 Apr 19.

PMID:
16624312
34.

Spatial, temporal, and dietary determinants of organic contaminants in nestling tree swallows in Point Pelee National Park, Ontario, Canada.

Smits JE, Bortolotti GR, Sebastian M, Ciborowski JJ.

Environ Toxicol Chem. 2005 Dec;24(12):3159-65.

PMID:
16445099
35.

Organochlorine contamination and physiological responses in nestling tree swallows in Point Pelee National Park, Canada.

Papp Z, Bortolotti GR, Smits JE.

Arch Environ Contam Toxicol. 2005 Nov;49(4):563-8. Epub 2005 Sep 30.

PMID:
16205989
36.

Behavioral variation and its consequences during incubation for American kestrels exposed to polychlorinated biphenyls.

Fisher SA, Bortolotti GR, Fernie KJ, Bird DM, Smits JE.

Ecotoxicol Environ Saf. 2006 Feb;63(2):226-35.

PMID:
16169079
37.

Skeletal pathology in white storks (Ciconia ciconia) associated with heavy metal contamination in southwestern Spain.

Smits JE, Bortolotti GR, Baos R, Blas J, Hiraldo F, Xie Q.

Toxicol Pathol. 2005;33(4):441-8.

PMID:
16036861
38.

Carotenoids in eggs and plasma of red-legged partridges: effects of diet and reproductive output.

Bortolotti GR, Negro JJ, Surai PF, Prieto P.

Physiol Biochem Zool. 2003 May-Jun;76(3):367-74.

PMID:
12905123
39.

Effects of dietary PCB exposure on adrenocortical function in captive American kestrels (Falco sparverius).

Love OP, Shutt LJ, Silfies JS, Bortolotti GR, Smits JE, Bird DM.

Ecotoxicology. 2003 Feb-Aug;12(1-4):199-208.

PMID:
12739868
40.

Iris colour of American kestrels varies with age, sex, and exposure to PCBs.

Bortolotti GR, Smits JE, Bird DM.

Physiol Biochem Zool. 2003 Jan-Feb;76(1):99-104.

PMID:
12695990
41.

Thyroid hormone suppression and cell-mediated immunomodulation in American kestrels (Falco sparverius) exposed to PCBs.

Smits JE, Fernie KJ, Bortolotti GR, Marchant TA.

Arch Environ Contam Toxicol. 2002 Oct;43(3):338-44.

PMID:
12202931
42.

Bioaccumulation and toxicokinetics of 42 polychlorinated biphenyl congeners in American kestrels (Falco sparverius).

Drouillard KG, Fernie KJ, Smits JE, Bortolotti GR, Bird DM, Norstrom RJ.

Environ Toxicol Chem. 2001 Nov;20(11):2514-22.

PMID:
11699777
43.

In ovo exposure to polychlorinated biphenyls: reproductive effects on second-generation American kestrels.

Fernie KJ, Smits JE, Bortolotti GR, Bird DM.

Arch Environ Contam Toxicol. 2001 May;40(4):544-50.

PMID:
11525498
44.

Hemograms for and nutritional condition of migrant bald eagles tested for exposure to lead.

Miller MJ, Wayland ME, Bortolotti GR.

J Wildl Dis. 2001 Jul;37(3):481-8.

PMID:
11504222
45.

Courtship behavior of captive American kestrels (Falco sparverius) exposed to polychlorinated biphenyls.

Fisher SA, Bortolotti GR, Fernie KJ, Smits JE, Marchant TA, Drouillard KG, Bird DM.

Arch Environ Contam Toxicol. 2001 Aug;41(2):215-20.

PMID:
11462146
46.

Reproduction success of American kestrels exposed to dietary polychlorinated biphenyls.

Fernie KJ, Smits JE, Bortolotti GR, Bird DM.

Environ Toxicol Chem. 2001 Apr;20(4):776-81.

PMID:
11345453
47.

Carotenoid discrimination by the avian embryo: a lesson from wild birds.

Surai PF, Speake BK, Wood NA, Blount JD, Bortolotti GR, Sparks NH.

Comp Biochem Physiol B Biochem Mol Biol. 2001 Apr;128(4):743-50.

PMID:
11290456
48.

Captivity diets alter egg yolk lipids of a bird of prey (the American kestrel) and of a galliforme (the red-legged partridge).

Surai PF, Speake BK, Bortolotti GR, Negro JJ.

Physiol Biochem Zool. 2001 Mar-Apr;74(2):153-60.

PMID:
11247734
49.

Antibody-mediated immunotoxicity in American kestrels (Falco sparverius) exposed to polychlorinated biphenyls.

Smits JE, Bortolotti GR.

J Toxicol Environ Health A. 2001 Feb 23;62(4):217-26.

PMID:
11245392
50.

Exposure of migrant bald eagles to lead in prairie Canada.

Miller MJ, Wayland ME, Bortolotti GR.

Environ Pollut. 2001;112(2):153-62.

PMID:
11234531

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