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Help with sparrows


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I'm leery about disagreeing with @Hasan, but in the absence of other opinions I would have pegged this as a FISP.  My main observations are similar to @The Bird Nuts:

1) Adult CHSP eyelines are reliably very dark.

2) CHSPs here in the northeast US have minimal eye rings.

3) FISP is a particularly variable sp., and the facial pattern of this birds looks within the range of variation to me.

4) Giss is FISP for me.

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I’m with team field. There is evidence pointing towards Rufous Adult Field Sparrow as well as young Chhcippibg with the head, so I’m solely looking at what else we can see.

Using Sibley:

1. The second wing at, which was can see, is buffy, where even in a juvie chipping we would see some white. 
 

2. The back stripes are really pinkish, again pointing to field. 
 

My gut reaction was field, and I’m still thinking it’s a field. 

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I've seen a nest being visited by both a Cliff and Cave swallow. Pretty sure those kiddos in the nest were hybrids. It was a vagrant Cave Swallow in Georgia that didn't have any other Caves to pair with.

 

On a related note, Cave Swallow populations in Texas increased 898% between 1957 and 1999, thanks to the advent of culverts and other DOT infrastructure. Who's to say how much that statistic has increased since 1999, but the population has been steadily increasing. If they maintain the same rate as was estimated in the original paper (Kosciuch et. al 2006) then the population should be at a 1,125% increase in Texas between 1957-2021.

Also note that that figure doesn't include Florida populations, which are also expanding.

 

I wonder what the figures look like for Roseate Spoonbill, Black-bellied Whistling-Duck, Limpkin, etc. It's nice to see species expanding.

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