Diet
What do black-and-white warblers eat?
Insects and larvae probed from bark furrows.
Wood-warblers (Parulidae)Black-and-white WarblerMniotilta varia
Spring and summer diet
- Caterpillars, beetles, ants and spiders
Fall and winter diet
- Insects in the tropics; suet on rare occasions
Best feeder foods
- Suet (rarely, on migration)
The only warbler that habitually creeps on trunks; occasionally visits suet during cold migration snaps.
Where black-and-white warblers need winter food
Frequently asked
What do black-and-white warblers eat?
Insects and larvae probed from bark furrows.
What is the best food to feed black-and-white warblers?
Suet (rarely, on migration).
What do black-and-white warblers eat in winter?
Insects in the tropics; suet on rare occasions.
Sources
- Black-and-white Warbler — All About Birds, Cornell Lab of Ornithology
- Black-and-white Warbler life history — Cornell Lab of Ornithology
- Black-and-white Warbler — 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.