Photography of Birds – Set # 90

Set # 90


Palm Warbler


Palm Warbler

Palm Warbler


These birds migrate to the southeastern United States, the Yucatán Peninsula, islands of the Caribbean, and eastern Nicaragua south to Panama to winter. They are one of the earlier migrants to return to their breeding grounds in the spring, often completing their migration almost two months before most other warblers. Unlike most Setophaga species, the Palm warbler’s winter range includes much of the Atlantic coast of North America, extending as far north as southern Nova Scotia.

White-throated Sparrow


White-throated Sparrow

White-throated Sparrow


In winter, this species migrates to the southern and eastern United States. They are differential migrants with females migrating farther, increasing the proportion of females at lower latitudes in the Atlantic flyway. Females are smaller so they would not perform as optimally at colder, higher latitudes, and females avoid competition with the dominant males of the winter hierarchies by migrating farther. There is also no benefit for females to be among the first to return after winter, so migrating farther allows the males to return and establish territory a few weeks before their arrival.

© HJ Ruiz – Avian101

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