Cassia Crossbill

Loxia sinesciuris




Fringilline & Cardueline Finches (Fringillidae)

Code 4


Code 6



Egg Color:

Cream or bluish-white, with fine dark purple speckling or spotting.

Number of Eggs:

3 - 4

Incubation Days:

14 - 16

Egg Incubator:


Nest Location:

Near the crown of a tall conifer, 9-115 feet high.

Nest Material:

Twigs, bark shreds, grass, moss, lichen, animal hair, feathers.





Cassia Crossbill: Medium finch, male with red-orange body, brighter red rump and crown, and gray-brown on face, wings, and tail. Female has olive plumage. Bill is dark and crossed at tip. The tail is notched. Legs and feet are gray-black. Eats lodgepole pine seeds, insects and caterpillars. Forages by picking seeds from the cone while perched at any height, even on the ground. 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.

Breeding and Nesting

Cassia Crossbill: Three cream or green-white eggs with red-brown markings are laid in a cup-shaped nest placed on a branch near the trunk of a conifer. The nest is constructed with conifer twigs and lichen and placed from two to twenty meters above the ground.

Foraging and Feeding

Cassia Crossbill: Forages for seeds inside the cones of lodgepole pines.


Cassia Crossbill: Song is a buzzy "chup-chup-chup-chup, zee-zee-zee-zee"; call is a "chip, chip".

Similar Species

Cassia Crossbill: Red Crossbill is very similar and reliably separated only by location and vocalizations. White-winged Crossbill has thick, white wing-bars.

The crown is the top part of the birds head.
The front part of the head consisting of the bill, eyes, cheeks and chin.
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