Peeter Hõrak

Haematological health state indices of reproducing Great Tits: methodology and sources of natural variation

I. Ots, Astrid Murumägi, Peeter Hõrak · Functional Ecology · 1998 · 404 citations

Animal Physiology, Residual Body Mass, Animal Study +12

Immune challenge affects basal metabolic activity in wintering great tits

I. Ots, T.A. Ilyina, Peeter Hõrak · Proceedings of the Royal Society B Biological Sciences · 2001 · 250 citations · Full text

How feather colour reflects its carotenoid content

Lauri Saks, Kevin J. McGraw, Peeter Hõrak · Functional Ecology · 2003 · 209 citations

Biology, Carotenoid, Botany +13

Carotenoid-based plumage coloration reflects hemoparasite infection and local survival in breeding great tits

Peeter Hõrak, I. Ots, Helen Vellau et al. · Oecologia · 2001 · 207 citations

Biology, Carotenoid, Botany +6

Immune response is energetically costly in white cabbage butterfly pupae

Dalial Freitak, I. Ots, Alo Vanatoa et al. · Proceedings of the Royal Society B Biological Sciences · 2003 · 197 citations · Full text

Biology, Fitness, Plant-insect Interaction +12