Greater necklaced laughingthrush, Garrulax pectoralis (formerly; Ianthocincla pectoralis ), also known as the necklaced laughingthrush or the black-gorgeted laughingthrush, photographed at Hong Kong, ...
Black-chested snake eagle, Circaetus pectoralis A. Smith, 1829 (protonym, Circaeetus Pectoralis), also known as the black-breasted harrier eagle, photographed at Awash Lake, Ethiopia (Africa). Image: ...
ARLINGTON, Va. -- Researchers using three dimensional computer modeling and wind tunnels have made the first accurate comparative measurements of muscle power output of birds inflight to establish ...
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