How do seabirds share habitat when food is limited? In the case of frigatebirds, size differences drive them to seek different prey. A study has used new technology to explore how closely related ...
The 26 black-and-white photographs document field work completed on McKean Island, June and July 1968. Twelve photographs taken by R. B. Clapp show Red-footed Boobies on nests (examples of ...
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