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Article
Ute Stenkewitz, Auteur ; Ólafur K. Nielsen, Auteur ; Karl Skírnisson, Auteur ; Gunnar Stefánsson, AuteurThe spleen and bursa of Fabricius in birds are organs that play an important role in fighting parasite infections. The size of these organs can be used by ecologists as a measure of immune investment, with larger size implying greater investment[...]
Article
Ute Stenkewitz, Auteur ; Jan F. Kamler, Auteur
Article
Ute Stenkewitz, Auteur ; Eric Herrmann, AuteurLine-transect sampling was used to obtain abundance estimates of an Ant-eating Chat Myrmecocichla formicivora population to compare these with the true size of the population. The population size was determined by a long-term banding study, and [...]
