Diet
What do prothonotary warblers eat?
Insects and snails from flooded swamp forest.
Wood-warblers (Parulidae)Prothonotary WarblerProtonotaria citrea
Spring and summer diet
- Caterpillars, beetles, mayflies and snails
Fall and winter diet
- Migrates to mangroves in the tropics
Best feeder foods
- None — a swamp nest box is the draw
The only eastern warbler that nests in cavities — it readily takes small nest boxes over water.
Frequently asked
What do prothonotary warblers eat?
Insects and snails from flooded swamp forest.
What is the best food to feed prothonotary warblers?
None — a swamp nest box is the draw.
What do prothonotary warblers eat in winter?
Migrates to mangroves in the tropics.
Sources
- Prothonotary Warbler — All About Birds, Cornell Lab of Ornithology
- Prothonotary Warbler life history — Cornell Lab of Ornithology
- Prothonotary Warbler — Audubon Guide to North American Birds
- NestWatch nest box plans and species requirements — Cornell Lab
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.