French: Ada de Hudson German: Weißflanken-Dunkeltyrann Spanish: Viudita patagona
Cnipolegus [sic] hudsoni
P. L. Sclater
Río Negro, Patagonia
C Argentina from W Córdoba S to E Neuquén, N Río Negro and SW Buenos Aires; migrates N to Bolivia and SC Brazil.
15·5 cm. Male plumage is shiny black, underwing with large white patch across inner webs of primaries (conspicuous in flight, not visible when perched); some whitish on lower... read more
Irregular “ric-tic-titireetic” and snapping sounds.
Low woodland and scrub; also Chaco and overgrown pastures and gardens in non-breeding season.... read more
Food and feeding
Little known. Insects eaten. Usually inconspicuous, preferring dense cover close to ground.
Male displays from emergent, usually dead tree, jumping restlessly from branch to branch, occasionally flying up and vocalizing. Nest an... read more
Migrates N in Aug–Sept to Paraguay, Bolivia and S Brazil; recorded as far N in Mato Grosso as... read more
Status and conservation
Not globally threatened. Generally rare to locally uncommon. Fairly common to common during breeding season in Lihué Calel National Park (La Pampa); has been recorded during... read more
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