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Bird ID Inquiry from La Paz Waterfalls, Costa Rica (1 Viewer)

lgonz1008

Well-known member
United States
I have a friend visiting Costa Rica and she asked me if there was a way to ID this juvenile bird, it was seen in La Paz Waterfalls, but I have no clue what it could be:
 

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Slaty finch? 🤷🏻
Based on eBird the species is not found in La Paz, but based on the name, I found that Slaty Flowerpiercer has the same color as that bird and found in La Paz. Now I wonder if that bill just look straight because it's still young?
 
Could it be a Black Phoebe chick? I've seen that species in Costa Rica where it doesn't shows pale wingbars (local subspecies) and it also shows white borders to outer tail feathers, like in this photograph... I've also found a few photos on the internet of Black Phoebe chicks with pinkish legs, instead of dark legs as in adults.

Could it be? Ciao, Igor Festari
 
I favour young Black Phoebe as a possible candidate, given the yellow gape line
Isn’t the bill shape different to that of flower piercer ?
 
Slaty Flowerpiercer doesn't show white on the outer rectrices in any plumege, as shown in the mystery photograph. We should check a different option, if not Black Phoebe...

Ciao, Igor Festari
 
Could it be a Black Phoebe chick? I've seen that species in Costa Rica where it doesn't shows pale wingbars (local subspecies) and it also shows white borders to outer tail feathers, like in this photograph... I've also found a few photos on the internet of Black Phoebe chicks with pinkish legs, instead of dark legs as in adults.

Could it be? Ciao, Igor Festari
I favour young Black Phoebe as a possible candidate, given the yellow gape line
Isn’t the bill shape different to that of flower piercer ?
Slaty Flowerpiercer doesn't show white on the outer rectrices in any plumege, as shown in the mystery photograph. We should check a different option, if not Black Phoebe...

Ciao, Igor Festari
Black Phoebe seems uncommon in the area, but seeing the field marks noted, I agree that Black Phoebe is a more likely candidate. Thank you for the feedback.
 
Black Phoebe seems uncommon in the area, but seeing the field marks noted, I agree that Black Phoebe is a more likely candidate. Thank you for the feedback.
During my birding trip to Costa Rica I saw at least a few Black Phoebes along the stream that forms the famous waterfall and looking at eBirds you can see dozens of records of this species in the area, including some very recent...

Ciao, Igor Festari
 

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