Black-throated Gray Warbler
Setophaga nigrescens

 

 Riverside Co., CA, April

 

 Riverside Co., CA, April

 

 Riverside Co., CA, April

 

 Riverside Co., CA, April

 

 Riverside Co., CA, April

 

 Riverside Co., CA, April

 

Riverside Co., CA, April

 

 Riverside Co., CA, April

 

 Riverside Co., CA, April

 

Cochise Co., AZ, April

 

Inyo Co., CA, April