Jumaat, 25 Februari 2022

ACCIPITRIDAE
GREY-HEADED FISH EAGLE

Location : Perak
Date :  09 February 2022

69–74 cm Adult ichthyaetus: Plain greyish hood, sharply contrasting white thighs and vent, rounded white tail with broad black terminal band. Greyish-brown above, mostly warm brown to brownish-grey breast. In flight, wings rather broad/rounded, white tail-base and vent contrast with all-dark wings.Juvenile: Mostly warm brownish head/neck/breast/upper belly with narrow white supercilium and whitish streaks on crown, head-sides and foreneck/breast; browner-tinged above than adult, dark tail with whitish mottling showing as faint pale bands. In flight, underwing-coverts mostly whitish, flight feathers mostly whitish with darker tips and some faint narrow darker bars towards their tips. Immature plumages poorly documented.Second/third year: Whitish patches on primaries, white thighs and vent, dark end to tail. VOICE During courtship display utters powerful barking kroi-ork and repeated loud eerie tiuweeeu. HABITAT & BEHAVIOUR Lakes, swamps, large rivers; up to 1,525 m. Soars with wings held level or in shallow V. RANGE Ra/sc R Myanmar, W(south),NE(south-west),S Thailand, Pen Malaysia, Singapore, Cambodia (still widespread), N,S Laos, Vietnam (except E Tonkin). FR (currently?) NW,C Thailand, E Tonkin. Rc (escapee?) SE Thailand.

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