Whiskered Tern

Chlidonias hybrida

Small buoyant tern. Breeding adult has distinctive dark smoky gray body and contrasting white cheeks (can look like broad white "whiskers" in flight) underneath a black cap. Nonbreeding plumage pale silvery gray overall with a faded shadow of the cap; juvenile has dark-checkered back. Note rather stout bill (albeit thinner than Gull-billed Tern) and square tail; compare to Common, Roseate, and Arctic Terns. Feeds by picking from surface, not splash-diving like typical terns. Common around wetlands, lakes, and rivers.

Identification

The size, black cap, strong bill (29–34 mm in males, 25–27 mm and stubbier in females, with a pronounced gonys) and more positive flight recall common or Arctic tern, but the short, forked-looking tail and dark grey breeding plumage above and below are typically marsh tern characteristics. The summer adult has white cheeks and red legs and bill. The crown is flecked with white in the juvenile, and the hindcrown is more uniformly blackish, though in the winter adult this too is flecked with white. The black ear-coverts are joined to the black of the hindcrown, and the space above is mottled with white, causing the black to appear as a C-shaped band. The sides of the neck are white; this sometimes continues across the nape. The collar is less sharply defined. All through the year the rump is pale grey. In the juvenile, the mantle has a variegated pattern. The feathers of the back and scapulars are dark brown, with prominent broad buff edgings and often subterminal buff bars or centers. There is usually an admixture of new gray feathers, especially on the mantle, quite early in the fall. The mantle is silvery-gray in the adult.The call is a characteristic krekk.<p>In winter, the forehead becomes white and the body plumage a much paler grey. Juvenile whiskered terns have a ginger scaly back, and otherwise look much like winter adults. The first winter plumage is intermediate between juvenile and adult winter, with patchy ginger on the back.<p>The whiskered tern eats small fish, amphibians, insects and crustaceans.

Taxonomy

Scientific name
Chlidonias hybrida
Authority
(Pallas, 1811)
Order
Charadriiformes
Family
Laridae
Genus
Chlidonias

Range and habitat

Breeding range
AF, PAL, OR, AU : widespread inland s, c Eurasia, e, s Africa, and Australia
Non-breeding range
inland Africa, Asia and Australia
Migration
Complete migrants

Conservation

Population trend
stable

Photos

Distribution

Bird Calls

Other Birds

Rufous-bellied Nighthawk

Rufous-bellied Nighthawk

Lurocalis rufiventris

A nighthawk of forests and clearings in the subtropical zone of the Andes from Venezuela to Bolivia. Rather chunky and short-tailed, with intricately patterned upperparts (usually including big white patches in the scapulars) and a tawny-rufous belly. In flight, looks big-headed with rather broad, angular wings and a fairly short, squared-off tail. Usually seen at dusk flying over cloud forest, but can also be seen roosting during the day on horizontal branches (if you’re lucky!) Similar to Short-tailed Nighthawk but found at higher elevations.

Scalloped Woodcreeper

Scalloped Woodcreeper

Lepidocolaptes falcinellus

Medium-sized woodcreeper with a short, slightly decurved pinkish bill. Found in humid and montane forests, including Araucaria forests, where it typically forages in the canopy. The rufous back contrasts with the whitish throat and prominent eyebrow. Note the buff streaking on the darker brown head and the scaled belly. Similar to Scaled Woodcreeper, which has a duller crown and a less rufous tail.

Ethiopian Black-headed Oriole

Ethiopian Black-headed Oriole

Oriolus monacha

A mostly yellow bird with a black hood and a red bill. The tail pattern varies geographically; it can be largely plain olive-and-yellow, or it can show black patches. Found in lush woodland and montane forest at middle elevations in the Abyssinian highlands. Very similar to African Black-headed Oriole, but usually separated by habitat and range. Further distinguished by the wing pattern, which is plainer, with a long gray patch, and without bold white feather edgings. Song is a series of slurred, liquid whistles, and calls include raspy notes. 

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