Peeter Hõrak
Peeter Hõrak
Professor in physiological ecology of animals, Tartu University
Verified email at - Homepage
Cited by
Cited by
Haematological health state indices of reproducing great tits: methodology and sources of natural variation
I Ots, A Murumägi, P Horak
Functional Ecology 12 (4), 700-707, 1998
Immune challenge affects basal metabolic activity in wintering great tits
I Ots, AB Kerimov, EV Ivankina, TA Ilyina, P Hõrak
Proceedings of the Royal Society of London. Series B: Biological Sciences …, 2001
How feather colour reflects its carotenoid content
L Saks, K McGRAW, P Hõrak
Functional Ecology, 555-561, 2003
Carotenoid-based plumage coloration reflects hemoparasite infection and local survival in breeding great tits
P Hõrak, I Ots, H Vellau, C Spottiswoode, A Pape Møller
Oecologia 126, 166-173, 2001
Immune function and survival of great tit nestlings in relation to growth conditions
P Hõrak, L Tegelmann, I Ots, AP Møller
Oecologia 121, 316-322, 1999
Great tits Parus major trade health for reproduction
I Ots, P Horak
Proceedings of the Royal Society of London. Series B: Biological Sciences …, 1996
Carotenoid-based plumage coloration of male greenfinches reflects health and immunocompetence
L Saks, I Ots, P Hõrak
Oecologia 134, 301-307, 2003
Immune response is energetically costly in white cabbage butterfly pupae
D Freitak, I Ots, A Vanatoa, P Hörak
Proceedings of the Royal Society of London. Series B: Biological Sciences …, 2003
Haematological health state indices of reproducing Great Tits: a response to brood size manipulation
P Hõrak, I Ots, A Murumägi
Functional Ecology 12 (5), 750-756, 1998
Health impact of blood parasites in breeding great tits
I Ots, P Hõrak
Oecologia 116, 441-448, 1998
How coccidian parasites affect health and appearance of greenfinches
P Hõrak, L Saks, U Karu, I Ots, PF Surai, KJ McGRAW
Journal of Animal Ecology, 935-947, 2004
Do dietary antioxidants alleviate the cost of immune activation? An experiment with greenfinches
P Hõrak, L Saks, M Zilmer, U Karu, K Zilmer
The American Naturalist 170 (4), 625-635, 2007
Antioxidant protection, carotenoids and the costs of immune challenge in greenfinches
P Hõrak, M Zilmer, L Saks, I Ots, U Karu, K Zilmer
Journal of Experimental Biology 209 (21), 4329-4338, 2006
Repeatability of condition indices in captive greenfinches (Carduelis chloris)
P Hõrak, L Saks, I Ots, H Kollist
Canadian Journal of Zoology 80 (4), 636-643, 2002
How to measure oxidative stress in an ecological context: methodological and statistical issues
P Hõrak, A Cohen
Functional Ecology 24 (5), 960-970, 2010
Growth conditions affect carotenoid-based plumage coloration of great tit nestlings
P Hõrak, H Vellau, I Ots, AP Møller
Naturwissenschaften 87, 460-464, 2000
Heterophil/lymphocyte ratios predict the magnitude of humoral immune response to a novel antigen in great tits (Parus major)
I Krams, J Vrublevska, D Cirule, I Kivleniece, T Krama, MJ Rantala, E Sild, ...
Comparative Biochemistry and Physiology Part A: Molecular & Integrative …, 2012
Survival of adult Great Tits Parus major in relation to sex and habitat; a comparison of urban and rural populations
Ibis 140 (2), 205-209, 1998
Oxidative stress and information content of black and yellow plumage coloration: an experiment with greenfinches
P Hõrak, E Sild, U Soomets, T Sepp, K Kilk
Journal of Experimental Biology 213 (13), 2225-2233, 2010
Egg size in the Great Tit Parus major: individual, habitat and geographic differences
P Hõrak, R Mänd, I Ots, A Leivits
Ornis fennica 72 (3), 97–114-97–114, 1995
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