Adelaide’s Warbler (Setophaga adelaidae) is a small bird with a distinctive yellow plumage and a long tail. These birds are usually around 4.7 inches in length, and weigh between 0.35 and 0.42 ounces. They can be easily distinguished from other warbler species by their bright yellow underparts, olive-green upperparts, and a bold white eyering.

One of the most noticeable field marks of Adelaide’s Warbler is the yellow plumage on its underside, which is a bright and vibrant yellow color. This plumage is in stark contrast to the olive-green color on the upperparts of the bird. Additionally, Adelaide’s Warblers have a bold white eyering that helps to set them apart from other similar species.

These birds are found in the pine savannas of the southeastern United States and migrate to the Bahamas and Cuba for the winter. During the breeding season, they can be found in pine savannas and pine forests, where they build their nests in the forks of pine trees. Adelaide’s Warblers are generally solitary nesters, and will defend their territory from other birds and animals.

Adelaide’s Warblers feed primarily on insects and spiders, which they forage for on the forest floor and in the branches of pine trees. They are often seen flitting about in the underbrush, searching for food. During the winter months, when they migrate to the Bahamas and Cuba, these birds feed on insects, spiders, and small fruits.

In conclusion, Adelaide’s Warbler is a small bird with a distinctive yellow plumage and a long tail. They are easily recognizable by their bright yellow underparts, olive-green upperparts, and bold white eyering. These birds migrate to the Bahamas and Cuba for the winter, and feed on insects and spiders during the breeding season. With their unique appearance and behavior, Adelaide’s Warbler is a fascinating bird to observe and study.