Congo Sand Martin


Congo Sand Martin
Congo Sand Martin
Conservation status
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Hirundinidae
Genus: Riparia
Species: R. congica
Binomial name
Riparia congica
(Reichenow, 1887)

The Congo Sand Martin, Riparia congica, is a small passerine bird in the swallow family.

It occurs only along the Congo River and its tributary, the Ubangi. It is fairly abundant within its restricted range.

The habitat requirement of this non-migratory species is forested rivers with sandbanks for breeding.

The Congo Sand Martin nests in colonies in February and March, with each pair excavating a tunnel in a sandbank about 1 m above the river. The nest itself is at the end of the tunnel. Little is known of the breeding biology, although it is probably similar to that of the Sand Martin.

Contents

Description

The 11 cm long Congo Sand Martin is light brown above with a slightly darker crown and wings. It has a dark line through the eye. The underside of the body is white except for a pale brown breast. It does not have the distinct narrow breast band shown by the Sand Martin. The bill is black and the legs are brown. Sexes are similar, but the young have pale tips to the feathers on the back, rump and wings.

The call has not been recorded.

Although the indistinct breast band of the Congo Sand Martin is different from the clearly defined markings of the Sand Martin, in practice it is not easy to distinguish the resident species from the winter migrant.

Behaviour

The food of this species consists of small insects, such as gnats and other flies, caught on the wing over the river or in clearings and other open areas within a few miles of it. It feeds in small flocks or with other swallows, especially wintering Sand Martins.

Conservation status

This locally abundant species has a range with an estimated extent of 80,000 km². The population size is believed to be large, and the species is not believed to approach the thresholds for the population decline criterion of the IUCN Red List (i.e. declining more than 30% in ten years or three generations). For these reasons, the species is evaluated as Least Concern.

References

  • Turner, Angela K; Chris Rose (1989). Swallows & martins : an identification guide and handbook. Houghton Mifflin. ISBN 0-395-51174-7. 

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