Cassia Crossbill
Cassia Crossbill
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The Cassia Crossbill is a unique crossbill species, with a distinctive crossed bill adapted for a specific conifer. Males are brick-red, females yellowish-green.
Where to spot
Endemic to a small, specific area in southern Idaho, USA, centered around the South Hills and Albion Mountains. It relies on Lodgepole Pine forests.
How to spot
Explore Lodgepole Pine forests in its specific Idaho range. Listen for their distinctive calls, which are critical for distinguishing it from other crossbill species. Look for them feeding on cones.
When to spot
Visible year-round in its restricted range, as long as the Lodgepole Pine cone crop is sufficient. Breeding can occur year-round.
Where to spot
Endemic to a small, specific area in southern Idaho, USA, centered around the South Hills and Albion Mountains. It relies on Lodgepole Pine forests.
How to spot
Explore Lodgepole Pine forests in its specific Idaho range. Listen for their distinctive calls, which are critical for distinguishing it from other crossbill species. Look for them feeding on cones.
When to spot
Visible year-round in its restricted range, as long as the Lodgepole Pine cone crop is sufficient. Breeding can occur year-round.
This species is unique in that its breeding cycle and movements are tied almost exclusively to the cone crops of Lodgepole Pines that are affected by the lodgepole pine seed bug.
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