How to Identify Red-billed Chough Feathers

What Red-billed Chough's Feathers Look Like

This mountain-and-coastal corvid is essentially all one color, so texture and sheen matter more than pattern:

• Overall body feathers: uniformly glossy black, with a distinct green-purple iridescent sheen visible in good light, especially on the back and wing coverts.
• Flight feathers: black, notably long, broad, and deeply "fingered" at the tips (the primary tips separate widely in flight) — a single primary feather will look broad and somewhat rounded/notched compared to a typical crow feather.
• Tail feathers: black, squarish to slightly rounded, with the same glossy sheen as the body.
• Underparts feathers: black, slightly less glossy than the back, but still with a faint sheen rather than being matte.
• Texture: feathers are dense and slightly loose-webbed compared to some corvids, an adaptation for maneuverable soaring flight over cliffs and mountains.
• Size: primaries roughly 20–25 cm; body feathers 3–6 cm.

Step-by-Step: Is This Feather From a Red-billed Chough?

1. Check for a green-purple gloss on solid black. A black feather with this specific iridescent sheen (rather than a bluish crow-type gloss) is a good starting clue.
2. Look at the wing feather shape. Broad, rounded-tipped primaries built for soaring over cliffs and mountains suggest chough rather than a more direct-flying crow.
3. Consider size relative to crows. Chough feathers are noticeably smaller than Common Raven or Carrion Crow feathers, since the bird itself is considerably smaller.
4. Check for any red or yellow tint at all. There won't be any — an entirely black feather (aside from gloss) is consistent, since only the bill and legs carry red, not the plumage.
5. Factor in habitat. A glossy black feather found on a coastal cliff or high mountain crag (rather than farmland or town) supports Red-billed Chough over crows or jackdaws, which favor a wider range of habitats.

Similar Species & How to Tell Them Apart

• Alpine Chough: Nearly identical black plumage; feather color alone usually cannot separate the two species reliably — bill color (yellow vs. red, not feather-related) and precise altitude/location are better clues.
• Jackdaw: Smaller, with a distinct gray nape/hindneck patch rather than an entirely uniform black body — a two-tone jackdaw feather (gray nape vs. black elsewhere) is a good separator.
• Carrion Crow: Larger, with feathers that show a more bluish (rather than greenish-purple) gloss, and lacks the chough's specific broad, fingered wingtip shape.
• Common Raven: Much larger overall, with notably bigger, heavier feathers and a shaggier throat feather texture (hackles) not seen in chough.

Where & When You'll Find Them

Red-billed Choughs favor sea cliffs, mountain crags, and short grazed pastures across parts of Europe, North Africa, and Asia, often nesting in cliff caves and crevices and foraging on adjacent grassland for invertebrates. As largely resident birds tied closely to their cliff and mountain habitat, feathers can be found year-round near nesting cliffs and foraging pastures, with the heaviest feather turnover following the summer breeding season during the post-breeding molt.