Red-chested Swallow

About

The Red-chested Swallow is a medium-sized swallow characterized by its striking rufous underparts, dark glossy blue upperparts, and deeply forked tail. It is an aerial insectivore, often seen foraging over open habitats and near water bodies. This species is known for its distinctive mud-cup nests, often built under eaves or bridges.

Size & lifespan

Length

18-20 cm

Wingspan

30-35 cm

Weight

20-28 g

Lifespan

3-5 years in the wild

Diet

Insectivore

Physical characteristics

Plumage

Adults have glossy dark blue-black upperparts, including the crown, mantle, back, and wings. The rump is a contrasting bright rufous-chestnut. The underparts are entirely rich rufous-chestnut, extending from the chin to the undertail coverts. The tail is deeply forked, with elongated outer tail feathers, especially in males. The underwing coverts are also rufous.

Beak shape

Small, flattened, and triangular, adapted for aerial insect capture; black in color.

Eye color

Dark brown.

Leg color

Dark grey to black.

Distinguishing features

The combination of glossy dark blue upperparts, bright rufous rump, and entirely rufous underparts is diagnostic. The deeply forked tail is also a key feature.

Juvenile appearance

Juveniles are duller than adults, with less glossy upperparts and paler, more washed-out rufous underparts. The tail streamers are shorter and less developed.

Seasonal changes

No significant seasonal plumage changes. Plumage may appear slightly duller when worn before molting.

Sexual dimorphism

Males typically have longer outer tail streamers than females, which can be a subtle difference. Otherwise, sexes are largely similar in plumage.

How to identify

1. 1

   Underparts Color

   Look for the entirely plain, rich rufous-chestnut underparts from chin to undertail. This is the most distinctive feature.

2. 2

   Rump Color

   Observe the bright rufous-chestnut rump, which contrasts sharply with the glossy dark blue back.

3. 3

   Upperparts Gloss

   Note the glossy dark blue-black coloration of the crown, mantle, and wings.

4. 4

   Tail Shape

   Identify the deeply forked tail, especially the elongated outer streamers in adults.

5. 5

   Flight Style

   Watch for its graceful, agile flight with rapid wing beats and glides, typical of swallows, as it hawks for insects.

Habitat & range

Biomes

Savanna, grasslands, open woodlands, agricultural areas, and human-modified landscapes.

Geographic range

Sub-Saharan Africa, primarily from Senegal east to Ethiopia and south to South Africa. It is largely absent from the dense rainforests of the Congo Basin.

Elevation range

Sea level up to approximately 2,000 meters.

Preferred environments

Prefers open country with scattered trees, often near water sources, and frequently associated with human structures like bridges, culverts, and buildings for nesting.

Behavior

Activity time

Diurnal.

Feeding habits

Exclusively aerial insectivores, catching insects on the wing. They forage in open air, often at varying heights, sometimes low over water or fields, and higher up when thermals are present. Diet consists mainly of flies, beetles, ants, and other small flying insects.

Social behavior

Typically seen singly, in pairs, or small family groups during the breeding season. Outside of breeding, they may form larger flocks, sometimes mixed with other swallow species, especially at roost sites.

Flight pattern

Graceful and agile flight, characterized by rapid wing beats interspersed with glides. They are highly maneuverable, performing acrobatic turns and dives while hawking for insects.

Migration pattern

Many populations are migratory. West African populations move south during the dry season. East African populations are more resident or undertake local movements. Southern African populations are intra-African migrants, breeding in the south during the austral summer (October-April) and moving north to central Africa during the austral winter.

Territoriality

Territorial during the breeding season, defending their nest site and immediate foraging area around it.

Breeding & reproduction

Breeding season

Varies geographically. In Southern Africa, typically October to April. In West Africa, generally during the rainy season (e.g., March-September).

Nesting habits

Builds a distinctive retort-shaped or half-cup mud nest, often with a tunnel entrance, attached to vertical surfaces under overhangs. Common sites include bridges, culverts, buildings, rock faces, and tree hollows. Both sexes participate in nest construction, collecting mud pellets.

Clutch size

2-4 eggs, usually 3.

Egg description

Typically 2-4 eggs, pure white, sometimes with fine reddish-brown speckles, especially at the broader end. Eggs are oval-shaped.

Incubation period

Approximately 14-16 days, primarily by the female.

Fledging period

About 20-25 days after hatching. Young are fed by both parents.

Parental care

Both parents share duties of incubation (though female does most), brooding, and feeding the nestlings and fledglings.

Where to find

Field tips

1. Look for Nests. During the breeding season, actively search under bridges, culverts, and eaves of buildings for their distinctive mud nests. Observing nest activity is a reliable way to find them.
2. Scan the Skies. In suitable open habitats, scan the sky for swallows. Their distinctive flight pattern and coloration will help distinguish them from other aerial insectivores.
3. Listen for Calls. Pay attention to their 'chip' or 'chwit' calls, especially when they are flying or near potential nesting sites.
4. Observe Foraging Behavior. Watch for swallows hawking insects in open areas. Their rufous underparts will be visible as they bank and turn.

Similar species

Quick facts

Diet:

Insects (aerial insectivore)

Nest Type:

Mud cup or retort-shaped nest

Migration:

Intra-African migrant in parts of its range

Key ID Feature:

Plain rufous underparts and rump

Habitat Preference:

Open country, often near water and human structures

Fun facts

• The Red-chested Swallow's scientific name 'semirufa' means 'half-rufous', referring to its distinctive rufous underparts.
• Like many swallows, they are highly beneficial to humans due to their consumption of large numbers of flying insects, including mosquitoes and agricultural pests.
• Their mud nests are incredibly durable and can be reused for several breeding seasons, sometimes with repairs.

Scientific classification

Kingdom

Animalia

Phylum

Chordata

Class

Aves

Order

Passeriformes

Family

Hirundinidae

Genus

Cecropis

Species

Cecropis semirufa

Explore the Red-chested Swallow