10,000 Birds
MAY 20, 2011
This behavior is not at all out of character for Tufted Titmice as is explained on All About Birds : They line this cup with soft materials such as hair, fur, wool, and cotton, sometimes plucking hairs directly from living mammals.
10,000 Birds
JUNE 22, 2011
It’s not fecal material, but parts that are not digestible like fur, bones and the exoskeletons of insects. For example, since eagles and hawks tend to rip their prey apart and have stronger digestive acids, their pellets look like wads of fur. Birds will barf them back up out of their mouths.
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