There are 118 species of weaverbirds (family: Ploceidae) and most of them live in sub-Saharan Africa. These sparrow-sized songbirds get their common name from the elaborate nests they construct. But ...
The magnetic sense in migratory birds has been studied in considerable detail: unlike a boy scout's compass, which shows the compass direction, a bird's compass recognizes the inclination of the ...
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