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Rufous-sided Pygmy-tyrant
Euscarthmus
rufomarginatus
Brazilian name: maria-corruíra
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Bahia, Brazil
The Rufous-sided Pygmy-tyrant is classified as Vulnerable by Birdlife International in "Threatened Birds of the World" who say that even the massive destruction of cerrado habitats does not fully explain its current rarity and there are presumably other, as yet unknown, causal factors.
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| It is found in cerrado or savannah habitat in central Brazil, northern Bolivia and southern Suriname. The fact that it appears both north and south of the Amazon Basin leads Sick to use it as a species which "shows that the development of Amazonia is relatively recent and that it cut up the ancient, vast savannah region of the continental interior, dividing it into areas that are now disjunct." |
| Noteable features are the rich rufous flanks, the long tail often held cocked, the white throat and the pale yellow underparts. The literature mentions two buffy wing-bars but, as can be seen in the first photo, these are not always noticeable. The first two photos were taken in February when the plumage is worn which accounts for the lack of wing-bars and the rather "ratty" appearance.
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The third and fourth photos were taken in July when the bird has a more classic appearance in fresh plumage with little or no feather wear and wide buffy wing-bars. All photos were taken in Bahia but at sites 500 kilometres apart. It forages close to or on the ground and it eats
both insects and fruit.
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There is an illustration in Threatened Birds of the World, Page
393.
There are recordings and a distribution map on xeno-canto.
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