School of Life Sciences | Ask A Biologist

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Why is Rudolp's nose red?

Bird Details

Perching Perching

Pine Siskin

Spinus pinus

Pine Siskin
copyright Richard Ditch
Length: 5 in. (13 cm)
Generally found in coniferous or mixed coniferous forest and forest edge, it is readily attracted to artificial feeders, especially those with black thistle seed. This species occurs in small to large flocks all year round, and it often associates with goldfinches and juncoes. It nests in small colonies, and the nest is placed high on a horizontal limb toward its tip. The nesting material is twigs, grass fur and feathers. During the winter, this species can be quite nomadic and eruptive. The food is mainly seeds, buds, and flower nectar in the summer and rarely insects. The four-digit banding code is PISI.

Fir forest
Fir forest

Riparian / River forest
Riparian / River forest

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Male
Twittering (sound type)
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Share to Google Classroom

Be part of Ask A Biologist

by volunteering, or simply sending us feedback on the site. Scientists, teachers, writers, illustrators, and translators are all important to the program. If you are interested in helping with the website we have a Volunteer page to get the process started.