Researchers Find Extremely Rare Half-Male, Half-Female Bird Specimen
Researchers at the Powdermill Nature Reserve in Pennsylvania recently came across a “once in a lifetime discovery” – a half-male, half-female rose-breasted grosbeak. Annie Lindsay and her colleagues at Powdermill Nature Reserve were catching and banding birds with identification tags on September 24, when a fellow researcher called her over via walkie-talkie to supposedly see […]