Diet

What do red crossbills eat?

Conifer seeds pried from cones with the crossed bill.

Finches (Fringillidae)Red CrossbillLoxia curvirostra

Spring and summer diet

  • Spruce, pine and fir seeds

Fall and winter diet

  • Conifer seeds; sunflower at feeders in flight years

Best feeder foods

  • Black-oil sunflower
  • Hulled sunflower

Nomadic — appears when cone crops fail elsewhere, empties sunflower feeders, then vanishes for years.

Which feeder works best for red crossbills →

Where red crossbills need winter food

Frequently asked

What do red crossbills eat?

Conifer seeds pried from cones with the crossed bill.

What is the best food to feed red crossbills?

Black-oil sunflower, Hulled sunflower.

What do red crossbills eat in winter?

Conifer seeds; sunflower at feeders in flight years.

Sources

  1. Red Crossbill — All About Birds, Cornell Lab of Ornithology
  2. Red Crossbill life history — Cornell Lab of Ornithology
  3. Red Crossbill — Audubon Guide to North American Birds

Timing reflects typical patterns for the region as a whole; local dates vary with elevation and year. Check the linked eBird bar charts for your county.