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Side-by-Side Comparison

属性	Yellow-shouldered Blackbird	Slender-billed Grackle
学名	Agelaius xanthomus	Quiscalus palustris
目	Passeriformes	Passeriformes
科	Icteridae	Icteridae
保护状况	Endangered	Extinct
体长	—	—
翼展	20.2 cm (8.0 in)	—
体重	38.440000000000005 g (1.36 oz)	—
食性	--	--
产卵数	1-4	--
Population Trend	—	—

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Habitat Comparison

共同栖息地

无

Yellow-shouldered Blackbird only

🌲 Forest 🌾 Grassland 🏖️ Coastal

Slender-billed Grackle only

🌿 Wetland

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保护状况

Endangered

Yellow-shouldered Blackbird

Extinct

Slender-billed Grackle

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About These Birds

Yellow-shouldered Blackbird

The Yellow-shouldered Blackbird, <em>Agelaius xanthomus</em>, is a member of the family Icteridae, the New World blackbirds, and is endemic to Puerto Rico and its offshore cays. Detailed plumage and behavioral descriptions of this species are limited in the available literature. This species occupies a range of habitats including coastal areas, forest edges, and grasslands. It is restricted to Puerto Rico and a few associated islands. The Yellow-shouldered Blackbird is classified as Endangered, a reflection of severe population declines caused by …

Slender-billed Grackle

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