Cecropis abyssinica
Lesser Striped Swallow
The Lesser Striped Swallow is a small, striking bird with a distinctive appearance. It has a rufous-chestnut head and nape, with a glossy deep blue back. The wings and tail are blackish-brown, with the tail featuring long outer streamers. The underparts are white with dark streaks, most prominent on the throat and upper breast.
Both sexes look similar, though females have shorter tails. Juveniles show duller colouring overall, with a darker crown and paler rump.
Length
15cm to 19cm
Wingspan
28cm to 30cm
Weight
15g to 25g
Males and females have similar plumage
Primary Colour
Blue White Rufous
Secondary Colour
Brown
Beak Colour
Black
Leg Colour
Black
Woodland
Garden
Wetland
Coastal
Urban
Farmland
Grassland
Desert
Tundra
Rainforest
Mountain
Savanna
Lesser Striped Swallows are widely distributed across sub-Saharan Africa, from Senegal east to Ethiopia and south to South Africa. They inhabit open woodland, savannah, and grassland areas, often near water bodies.
These swallows have adapted well to human-modified landscapes, frequently nesting on buildings in urban and rural areas. Some populations in southern Africa undertake seasonal movements, while others are more sedentary.
Sea level to 2,000 meters
Tropical, Subtropical
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Lesser Striped Swallows are insectivores, primarily feeding on flying insects caught in mid-air. Their diet includes flies, beetles, and flying ants.
They often feed in groups, swooping and gliding to catch prey, and may follow large animals or farm machinery to catch disturbed insects.
Lesser Striped Swallows are highly social birds, often seen in large flocks during non-breeding seasons. They are aerial insectivores, skilfully catching insects mid-flight with acrobatic manoeuvres.
These swallows frequently perch on wires or branches, especially when gathering nesting material or resting.
The Lesser Striped Swallow has a soft, musical voice. Its call is a gentle, twittering 'tswee-tswee' or 'trit-trit', often given in flight.
During the breeding season, males may produce a more elaborate warbling song, typically delivered from a perch.
Breeding typically occurs during the rainy season when insects are abundant. Lesser Striped Swallows form monogamous pairs and often breed in loose colonies.
Nests are constructed from mud pellets mixed with grass, forming a closed cup with a tubular entrance. These are usually attached to vertical surfaces under eaves or bridges.
Females lay 2-4 white eggs with brown speckles. Both parents incubate the eggs for about 14-16 days and care for the chicks, which fledge after approximately 20-23 days.
The Lesser Striped Swallow typically lives for 2 to 4 years.
Like all birds, lifespan can be affected by factors including predation, habitat quality, disease, and access to food sources.
The Lesser Striped Swallow is currently listed as Least Concern by the IUCN. Its adaptability to human-modified environments has helped maintain stable populations.
However, like many aerial insectivores, it may face challenges from pesticide use and climate change affecting insect abundance.
Rufous-chested Swallow
Main predators include birds of prey such as falcons and hawks, as well as domestic cats in urban areas. Snakes and small mammals may also raid nests for eggs or chicks.
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website: BirdLife International. 2024. Cecropis abyssinica. The IUCN Red List of Threatened Species 2024: e.T22712350A263839246.
View sourcereport, 2004: del Hoyo et al.