Socotra Sunbird

Attractive but often rather local tern of southern South America. Favors shallow coastal waters, but also ranges inland locally along rivers and lakes. Often associates with other terns on beaches and at river mouths. All plumages have diagnostic white head with narrow blackish mask and reddish legs. Breeding adult has an orange bill with a black-and-yellow tip. Nonbreeding birds have a black bill with a small yellow tip. Immature birds have a black bill with little or no pale tip.

Chunky, generally uncommon, rather grouselike bird of the high Andes. Found in pairs or small groups on bogs, stony slopes, and in bleak moorland of puna and páramo zones. Lacey “chainmail” pattern to upperparts is beautifully cryptic, and birds sometimes freeze when alarmed making them more difficult to see. No similar species in range; note the short stout bill and rusty underparts. Flight strong and fast, and flushes with loud shrieking choruses.

Fairly stocky, sparrowlike bird of highland forests. Occurs mainly in humid evergreen and pine-oak forest understory, often in brushy flower banks and shady canyons, where typically skulking and difficult to see well. Feeds on or near the ground, usually in pairs. White throat stands out against black cheeks and narrow black breast band (birds of Sierra de Los Tuxtlas, Veracruz, lack breast band); also note narrow tawny eyebrow and dark rusty cap. Collared Towhee is larger and brighter with big black collar and whitish eyebrow.