Barn Swallow vs Northern House Martin

Hirundo rustica compared with Delichon urbicum

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Side-by-Side Comparison

Attribute Barn Swallow Northern House Martin
Scientific Name Hirundo rustica Delichon urbicum
Order Passeriformes Passeriformes
Family Hirundinidae Hirundinidae
Conservation Status Least Concern Least Concern
Length 19.0 cm (7.5 in)
Wingspan 33.0 cm (13.0 in) 21.6 cm (8.5 in)
Weight 19.0 g (0.67 oz) 16.65 g (0.59 oz)
Diet Aerial insects caught in continuous agile flight, including flies, beetles, moths, and aphids. Drinks by … --
Clutch Size 2-7 1-7
Population Trend
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Size Comparison

Body Length
Barn Swallow 19.0 cm
Northern House Martin
Wingspan
Barn Swallow 33.0 cm
Northern House Martin 21.6 cm
Weight
Barn Swallow 19.0 g
Northern House Martin 16.65 g
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Habitat Comparison

Shared Habitats

Barn Swallow only

Northern House Martin only

None

Barn Swallow

Open farmland, meadows, and areas near water. Nests almost exclusively in human-made structures such as barns, bridges, and eaves.

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Song & Call Comparison

Barn Swallow

Song

A rapid, twittering song: a long stream of 'vit-vit-vit' and rolling chirps. Also gives a sharp 'vit' flight call. Song can last many minutes without pause. Musical and liquid.

Northern House Martin

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Geographic Range & Migration

Barn Swallow

Breeds across the Northern Hemisphere in North America, Europe, and Asia. Winters in South America, Africa, and South Asia.

Northern House Martin

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Conservation Status

Least Concern

Barn Swallow

Least Concern

Northern House Martin

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How to Tell Them Apart

Barn Swallow

Plumage

Metallic blue-black upperparts, rufous forehead and throat, and pale buff to rufous underparts. Deeply forked tail with elongated outer streamers.

Bill

Short, wide, flat black bill adapted for catching insects in flight

Northern House Martin

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About These Birds

Barn Swallow

The barn swallow is the most widespread swallow species in the world and has one of the longest migrations of any passerine. Its arrival signals spring across the Northern Hemisphere, inspiring cultural references from ancient Greece to modern poetry. Barn swallows have become almost entirely dependent on human structures for nesting.

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