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Side-by-Side Comparison

Attribute	Double-striped Thick-knee	Peruvian Thick-knee
Scientific Name	Burhinus bistriatus	Burhinus superciliaris
Order	Charadriiformes	Charadriiformes
Family	Burhinidae	Burhinidae
Conservation Status	Least Concern	Vulnerable
Length	—	—
Wingspan	48.4 cm (19.1 in)	44.2 cm (17.4 in)
Weight	730.6666666666666 g (25.77 oz)	461.6666666666667 g (16.28 oz)
Diet	--	--
Clutch Size	2	2
Population Trend	—	—

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Habitat Comparison

Shared Habitats

🌾 Grassland

Double-striped Thick-knee only

None

Peruvian Thick-knee only

🏜️ Desert

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Conservation Status

Least Concern

Double-striped Thick-knee

Vulnerable

Peruvian Thick-knee

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About These Birds

Double-striped Thick-knee

Double-striped Thick-knee (Burhinus bistriatus) is a large 43–50 cm stone-curlew of Central America and northern South America. Pale grey-brown above; two bold white supercilia; yellow eye; cryptic streaked pattern. Inhabits open dry grasslands, savanna, and agricultural land from Mexico to Brazil and the Caribbean. Largely nocturnal.

Peruvian Thick-knee

Peruvian Thick-knee (Burhinus superciliaris) is a medium 38–43 cm stone-curlew of Pacific coastal South America. Sandy-grey with bold white supercilium; large yellow eye; streaked pattern. Restricted to arid coastal plains and desert scrub from Ecuador to northern Chile. Nocturnal; cryptic by day. Feeds on invertebrates.

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Beach Thick-knee Esacus magnirostris Bush Thick-knee Burhinus grallarius Eurasian Thick-knee Burhinus oedicnemus Great Thick-knee Esacus recurvirostris All Burhinidae birds →

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