Evidence for the stress-linked immunocompetence handicap hypothesis in humans MJ Rantala, FR Moore, I Skrinda, T Krama, I Kivleniece, S Kecko, I Krams Nature Communications 3 (1), 1-5, 2012 | 182 | 2012 |
Experimental evidence of reciprocal altruism in the pied flycatcher I Krams, T Krama, K Igaune, R Mänd Behavioral Ecology and Sociobiology 62 (4), 599-605, 2008 | 165 | 2008 |
A rapid effect of handling on counts of white blood cells in a wintering passerine bird: a more practical measure of stress? D Cīrule, T Krama, J Vrublevska, MJ Rantala, I Krams Journal of Ornithology 153 (1), 161-166, 2012 | 107 | 2012 |
Interspecific reciprocity explains mobbing behaviour of the breeding chaffinches, Fringilla coelebs I Krams, T Krama Proceedings of the Royal Society of London. Series B: Biological Sciences …, 2002 | 92 | 2002 |
Linking social complexity and vocal complexity: a parid perspective I Krams, T Krama, TM Freeberg, C Kullberg, JR Lucas Philosophical Transactions of the Royal Society B: Biological Sciences 367 …, 2012 | 86 | 2012 |
Cost of mobbing call to breeding pied flycatcher, Ficedula hypoleuca T Krama, I Krams Behavioral Ecology 16 (1), 37-40, 2005 | 84 | 2005 |
Adiposity, compared with masculinity, serves as a more valid cue to immunocompetence in human mate choice MJ Rantala, V Coetzee, FR Moore, I Skrinda, S Kecko, T Krama, ... Proceedings of the Royal Society B: Biological Sciences 280 (1751), 20122495, 2013 | 83 | 2013 |
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 | 80 | 2012 |
The increased risk of predation enhances cooperation I Krams, A Bērziņš, T Krama, D Wheatcroft, K Igaune, MJ Rantala Proceedings of the Royal Society B: Biological Sciences 277 (1681), 513-518, 2010 | 71 | 2010 |
Group effect in nest defence behaviour of breeding pied flycatchers, Ficedula hypoleuca I Krams, A Bērziņš, T Krama Animal Behaviour 77 (2), 513-517, 2009 | 63 | 2009 |
Fattening strategies of wintering great tits support the optimal body mass hypothesis under conditions of extremely low ambient temperature I Krams, D Cirule, V Suraka, T Krama, MJ Rantala, G Ramey Functional Ecology 24 (1), 172-177, 2010 | 62 | 2010 |
Sexual attractiveness of immune-challenged male mealworm beetles suggests terminal investment in reproduction I Kivleniece, I Krams, J Daukšte, T Krama, MJ Rantala Animal Behaviour 80 (6), 1015-1021, 2010 | 61 | 2010 |
Predation selects for low resting metabolic rate and consistent individual differences in anti-predator behavior in a beetle I Krams, I Kivleniece, A Kuusik, T Krama, TM Freeberg, R Mänd, ... Acta Ethologica 16 (3), 163-172, 2013 | 60 | 2013 |
Alarm calls of wintering great tits Parus major: warning of mate, reciprocal altruism or a message to the predator? I Krams, T Krama, K Igaune Journal of Avian Biology 37 (2), 131-136, 2006 | 58 | 2006 |
Mobbing behaviour in birds: costs and reciprocity based cooperation T Krama | 53 | 2007 |
Effects of food quality on trade‐offs among growth, immunity and survival in the greater wax moth Galleria mellonella I Krams, S Kecko, K Kangassalo, FR Moore, E Jankevics, I Inashkina, ... Insect science 22 (3), 431-439, 2015 | 51 | 2015 |
Female choice reveals terminal investment in male mealworm beetles, Tenebrio molitor, after a repeated activation of the immune system I Krams, J Daukšte, I Kivleniece, T Krama, MJ Rantala, G Ramey, L Šauša Journal of Insect Science 11 (1), 56, 2011 | 48 | 2011 |
Long-lasting mobbing of the pied flycatcher increases the risk of nest predation I Krams, T Krama, K Igaune, R Mänd Behavioral Ecology 18 (6), 1082-1084, 2007 | 46 | 2007 |
Acute infection of avian malaria impairs concentration of haemoglobin and survival in juvenile altricial birds IA Krams, V Suraka, MJ Rantala, T Sepp, P Mierauskas, J Vrublevska, ... Journal of Zoology 291 (1), 34-41, 2013 | 44 | 2013 |
Mobbing behaviour: reciprocity‐based co‐operation in breeding Pied Flycatchers Ficedula hypoleuca I Krams, T Krama, K Igaune Ibis 148 (1), 50-54, 2006 | 44 | 2006 |