Geographic variation in social organization of Galapagos mockingbirds: ecological correlates of group territoriality and cooperative breeding.
To investigate ecological influences on cooperative social organization, I studied the four allopatric species of mockingbirds (Nesomimus spp.) endemic to the Galapagos archipelago on four islands. On three small, low and arid islands (Genovesa, Champion and Espanola), mockingbird territories filled...
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Language: | English |
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1989
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Online Access: | http://ezproxy.villanova.edu/login?url=https://digital.library.villanova.edu/Item/vudl:175583 |