The pine siskin is the commonest of the irruptive "winter finches." Following a large irruptive winter flight, some individuals may stay near a dependable food source and breed far south of the normal breeding range. It nests in loose colonies, and pairs may visit one another's nests. The heavily insulated nest helps keep the eggs warm in cold climates. All About Birds: Pine Siskin
Date Submitted: January 11, 2009
Observer: Will Sweet
Observation Date: 1/11/09
Observation Time: 10:00 a.m.
Observation Location: Back yard bird feeder
Plant or Animal? Animal
Common Name: Pine Siskin
Scientific Name: Carduelis pinus
Comments: There was a flock of 43 Pine Siskins on my thistle feeders.
More Information: Cornell Lab of Ornithology "All About Birds"