A blazing golden warbler of southern swamps — one of only two North American warblers to nest in tree cavities. Their bright yellow heads contrast against the dark cypress-tupelo swamp like flames.

§ Quick facts

SizeBody 12–13 cm (4.7–5.1 in); wingspan 19–22 cm
Weight12–15 g
LifespanWild typically 4 years
OrderPasseriformes
FamilyParulidae

§ Encyclopedia

The prothonotary warbler is a small songbird of the New World warbler family. It is named for its plumage, which resembles the yellow robes once worn by papal clerks in the Roman Catholic Church.

Source: Wikipedia — Prothonotary warbler Licensed under CC BY-SA 4.0

§ Identification

Field marks. Brilliant golden-yellow body and head; olive-green wings and back; black bill.

Similar species. Yellow Warbler (red streaks on breast). Wilson's Warbler (black cap).

Voice. Loud "sweet-sweet-sweet-sweet" song.

§ Diet & behavior

Diet. Insects (caterpillars, spiders), aquatic invertebrates near water.

Behavior. One of only two cavity-nesting warblers in North America (with Lucy's Warbler). Builds nest in tree cavities in bottomland swamps.

§ Range

Eastern US in summer; winters in northern South America

§ Habitat

Flooded bottomland forests, swamps, wooded riverbanks

§ Threats

Bottomland hardwood drainage and logging, water-level management on river systems, tropical mangrove loss.

§ Conservation status

According to the IUCN Red List, the prothonotary warbler is currently classified as Least Concern.

§ What helps

Install swamp-edge nest boxes. Support bottomland forest protection. Donate to mangrove conservation.

Support our work More ways to help

§ Further reading

§ Sources cited

  • Cornell Lab — All About Birds
  • National Audubon Society
  • iNaturalist
  • IUCN Red List 2018