Navarro, C.; Lope, F. de; Marzal, A.; Møller, A. P. - In: Behavioral Ecology 15 (2004) 4, pp. 629-635
challenge with phytohemagglutinin. Sparrows exposed to a cat had a significant reduction of, on average, 18% and 36% in T-cell … response in two different experiments compared with sparrows that were exposed to a rabbit. In a field experiment with a barn …