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Cassia Crossbill Sounds

Overview
ID info
Life History
Maps
Sounds

Flight calls
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Idaho, November 30, 2014Recorded by Andrew Spencer | Macaulay Library
Flight calls
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Idaho, August 25, 2017Recorded by Stephen Fettig | Macaulay Library
Song
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Idaho, July 16, 2018Recorded by Tom Johnson | Macaulay Library
Song
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Idaho, June 19, 2010Recorded by Charlie Wright | Macaulay Library
Calls
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Idaho, November 30, 2014Recorded by Andrew Spencer | Macaulay Library

Sounds provided by Macaulay Library.
Listen to more sounds of this species from the ML archive.

Songs

The Cassia Crossbill sings a jumbling warble much like other crossbills, but its song is a bit buzzier with more repetition.

Calls

Cassia Crossbills give a short kip in flight that serves to keep the group together. The call differs slightly from Red Crossbill type 2 and type 5 calls, but hearing the difference is challenging. Cassia's call (Type 9) is a bit lower in pitch and has a harsher quality to it. The best way to separate them is to look at the shape of the call on a spectrogram. Each Cassia Crossbill call consists of an upside-down U followed by a slash. More detailed information on crossbill call types is on eBird. Their excitement calls, often given as an alarm call or in response to aggressive flock mates also differ from Red Crossbill types 2 and 5. Cassia Crossbill's excitement call rises and then falls in pitch unlike Red Crossbill type 5, which doesn't rise and fall as much and unlike Red Crossbill type 2, which starts lower in pitch and then rises and falls.

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Species in This Family

Finches, Euphonias, and Allies(Order: Passeriformes, Family: Fringillidae)

Evening Grosbeak

Gray-crowned Rosy-Finch

Black Rosy-Finch

Brown-capped Rosy-Finch

Cassia Crossbill

White-winged Crossbill

Lesser Goldfinch

Lawrence's Goldfinch

American Goldfinch

Browse Species in This Family

More to Read

eBird
Crossbills of North America and Red Crossbill Call Types
Living Bird Magazine
Coming for Winter 2017–18: A Crush of Crossbills
Living Bird Magazine
Gallery: Meet the New Cassia Crossbill

Project FeederWatch
Understanding the Migratory and Irruptive Movements of Crossbills
Science at work: How many kinds of Red Crossbills are there, anyway?
Living Bird Magazine
What's in a Name? How Genome Mapping Can Make It Harder to Tell Species Apart

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