Female Bengalese finches have a natural preference for their fathers’ songs over the songs of any other birds — a preference they will carry for their entire lives. (CN) — Female Bengalese finches, ...
Invasive parasites in the Galápagos Islands may leave some Darwin’s tree finches singing the blues. The nonnative Philornis downsi fly infests the birds’ nests and lays its eggs there. Fly larvae ...
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