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Dwarf Vireo (Vireo nelsoni)
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2839
(9 photos)
Dwarf Vireo (Vireo nelsoni) monotypic Mexicansk Dværgvireo ~ Vireo Enano ~ Dvärgvireo 2018-04-12 Teotitlan del Valle (pueblo - oax), Mexico
Can't say anything about sex and age, but the bird responded to playback, why a good guess would say male. Like with 2838 I get the impression of an elongated species compared to other vireos. This bird shows more contrast on the underside compared to 2838, but the upper side shows a rather diffuse uniformly colored bird which doesn't fit well with other vireos in the area. RCKi is again excluded by the thick bill, if nothing else. The habitat is low dry oak-forest with dense shrubby understory, rather different from the habitat in Jalisco for example. Endemic |
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2838
(12 photos)
Dwarf Vireo (Vireo nelsoni) monotypic Mexicansk Dværgvireo ~ Vireo Enano ~ Dvärgvireo 2018-11-19 Volcán Nevado de Colima, Mexico
Diffuse bird that I can't age or sex. Also a diffuse species which can be confused with both Hutton's Vireo, Black-capped Vireo and Ruby-crowned Kinglet. Had just seen a Hutton's a few minutes earlier, and it looked typically bigger, more uniformly dust green and more compact than this bird. Hutton's almost appears without neck, whereas Dwarf Vireo looks longish with a neck and small head. When I found the bird my first impression was of a kinglet rather than a Hutton's. The bird reacted instantly when I played the song, and it came very close. Found it in mature oak wood with scattered pines and a thick understory, 5 meters up. I exclude a female Black-capped here because the bird is too uniformly pale overall and with little contrast between the head and back (seen in the field). The kinglet is ruled out easily by the thick bill. The bird was alone, and after it got tired of me, it moved slowly on but stayed within visible range for a good while. Endemic |