Cassia Crossbill

Loxia sinesciuris

Order

PASSERIFORMES

Family

Fringilline & Cardueline Finches (Fringillidae)

Code 4

CACR

Code 6

LOXSIN

ITIS

ILLUSTRATION

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PHOTOS

CONSERVATION STATUS

Unknown

The Cassia Crossbill has a very small range of around 70 square kilometers and is restricted to open, mature stands of Lodgepole Pine forests in the South Hills and Albion Mountains of southern Idaho. This recently described species has an estimated population of 6,000 individuals and, over the long term, is gravely threatened with extinction as an increasingly hotter climate reduces the amount of seeds this bird depends on for survival.

SUMMARY

Overview

Cassia Crossbill: Medium finch with red-orange or olive body, brighter on rump and crown, gray-brown wings and tail. Large bill is dark and crossed at tip. The tail is notched. Legs and feet are gray-black. Eats lodgepole pine seeds, insects and caterpillars. Swift bounding flight, alternates rapid wing beats with wings pulled briefly to sides.


Range and Habitat

Cassia Crossbill: Endemic to southern Idaho, where it is found in the South Hills and Albion Mountains. They are found year round in lodgepole pine forests.

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Cassia Crossbill SONGS AND CALLS

Cassia Crossbill PP1

Flight calls from a small group.

Cassia Crossbill PP2

"Chip" calls given in flight.

Similar Sounding


Voice Text

"chip, chip"

INTERESTING FACTS

  • Although most other crossbills are nomadic, the Cassia Crossbill never leaves one small area in southern Idaho.
  • Officially described as a distinct species in 2009.
  • Their bills are adapted to picking large seeds from the cones of lodgepole pines that evolved without the presence of Red Squirrels.

SIMILAR BIRDS

RANGE MAP NORTH AMERICA

About this North America Map

This map shows how this species is distributed across North America.

FAMILY DESCRIPTION

TERMINOLOGY

CREDITS

Artist

Chris Vest

HELP ME IDENTIFY A BIRD

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CrownX
The crown is the top part of the birds head.
RumpX
The area between the uppertail coverts and the back of the bird.
Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X