adult; no sexual dimorphism; bluish crown (California, USA; 2011-04-10)
|
Tree Swallow
Tachycineta bicolor
Native Range: North America
Notes:
this common swallow is bright blue above (in good light) and snowy white below; nests in tree cavities, cliff holes, or nest boxes, and typically lines its cup-like stick nest with large feathers.
|
snowy-white underparts (California, USA; 2006-05-07)
|
steel-blue upperparts (California, USA; 2007-06-17)
|
blue upperparts show best in good light (California, USA; 2007-06-17)
|
slightly forked tail (California, USA; 2007-03-03)
|
feeding young in nestbox (California, USA; 2007-05-19)
|
stick nest lined with feathers inside nestbox (California, USA; 2006-04-15)
|
juvenile; brown above, brown breast band (California, USA; 2009-07-04) |
juvenile could be confused with Bank Swallow (California, USA; 2007-05-28) |