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Western Wood-Pewee (Contopus sordidulus) Tyrant Flycatchers (Tyrannidae) | |||||||||||||
Vestlig Pivi ~ Papamoscas del Oeste ~ Västlig Pivi | |||||||||||||
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423
(1 photos)
2009-08-14 Presa El Salvador (agu), Mexico
Subspecies: ??? Subspecies uncertain. Can be a local bird or a migrant. But probably a local taking the early time of the year into consideration. |
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431
(1 photos)
2009-09-13 Parque Héroes (Aguascalientes), Mexico
Subspecies: sordidulus (griscomi) Not sure about age, but looks like a bird in fresh plumage thus juvenile local bird. Typical Pewee. |
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427
(4 photos)
2010-05-20 Cañada Pabellon Hidalgo (agu), Mexico
Subspecies: sordidulus (griscomi) Adult. Typical Pewee profile. Elongated and upright opposite to the Empidonax. Dark-dusky centers to undertail coverts distinquish the Pewees from the Empidonax. Seen from the side the tip of both upper and lower bill look dark, but seen correctly from below the lower bill is all bright. A character variable with every indidual. Pewees often choose exposed observation post opposite to the Empidonax. |
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2301
(7 photos)
2016-06-11 Bosque Los Colomos (Guadalajara), Mexico
Adult. Partial leucistic. Appeared more compact than usual, but otherwise behavior as expected. Funny that the bill is very dark despite the leucistic characters. The growing central rectrice looks much darker than the plumage in general, but probably an effect of the unusually pale back. Also notice the different markings on the breast where dirty gray parts normally form a 'vest' with yellow up in the middle, and not like here with a horizontal demarcation - as can be seen with the kingbirds for example. Aberrant |
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2505
(19 photos)
2017-07-12 Bosque Los Colomos (Guadalajara), Mexico
Subspecies: sordidulus Adult. Leucistic bird, which I'm pretty sure is the same as the one I found at same place last year. See 2301 for comparison. All leucistic parts are the same on both birds, and they both have the diffuse gray breast band, which normally is not a trait of this species. However, there is some variation to the level of whiteness between the two years, but I don't think it is enough to cause speculations about the two being different birds, or the last one being an offspring. If you look at the growing tail feather on 2301 you can see a white fringe to a part of the tip. Looking at the same feather of this year's bird, it has a similar white part, just more worn. Since none of the other tail feathers show any white, on both birds, in my opinion, it is a strong indication that the two is one and the same bird. The question then is if the tail feather is the same, or if a new one has grown completely out this year, which could be the case since the photos of 2301 were taken on June 11, and the one this year a month later. Aberrant |