Tucson,Az Jan 2010
March 2010 with a Canon Powershot SX10IS
Yellow-rumped Warbler (Audubon’s)
Audubon’s Warbler is the western form of the yellow-rumped warbler. Having a yellow throat an no mask.
Myrtle’s Warbler is the eastern form of the same bird having a white throat and eye crescents.
This versatile warbler forages from farm feilds up to tree-tops. Darting from tree to tree among branches looking for insects and berries; sallies from treetops to catch insects on the fly.
Females lays four ro five spotted white eggs in a bulky nest of twigs,roots, and grass lined with hair and feathers.Song is variable slow warble that rises or falls toward the end. Call is a loud, oft-repeated chip or chep.