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Birds of Silvermine - Greater Striped Swallow Traditional Cache

Hidden : 6/5/2021
Difficulty:
2 out of 5
Terrain:
2.5 out of 5

Size: Size:   small (small)

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Geocache Description:


This is the fifth in the Birds of Silvermine Series.

 

The Greater Striped Swallow (Hirundo cucullata) is common in Cape Town, usually building its elaborately funnelled nest under bridges. It is also an intra-African migrant, and is usually found in pairs. Breeding is mainly from September to April. Its nests may be usurped by the White-rumped Swift, the latter adding feathers to the nest which protrude from the entrance. While present on the Cape Peninsula, it may have slightly decreased in numbers here due to lack of moist mud for nest building

The greater striped swallow is 18–20 cm long. It has dark blue upperparts with a pale orange rump and a chestnut crown, nape and sides of the head. The underparts and underwing coverts are creamy white with dark streaking, and the upper wings and underwing flight feathers are blackish-brown. The blackish tail has very long outer feathers; these are slightly longer in the male than the female. Juveniles are duller and browner, with less contrast and shorter outer tail feathers. The flight is slow and buoyant, and the call is a twittering chissick.

This species can be distinguished from the smaller lesser striped swallow, Hirundo abyssinica, in that the latter species has heavier and darker underparts striping, a deeper red rump, and rufous rather than buffy ear coverts. The lesser striped swallow also prefers less open habitats.

It breeds in southern Africa, mainly in South Africa, Namibia and southern Zimbabwe. It is migratory wintering further north in Angola, Tanzania and southern Democratic Republic of the Congo.

The greater striped swallow is common, unafraid of humans, and has benefited from the availability of nest sites around habitation. It feeds mainly on flying insects, but has been known to eat small fruits. It is a bird of dry open country, such as grassland, and has a preference for hills and mountains. It avoids more wooded areas, but is often found around human habitation.The greater striped swallow builds a bowl-shaped mud nest with a tubular entrance on the underside of a suitable structure. The nest has a soft lining, and is often reused in later years. The nest may be built in a cave or under a rock overhang or fallen tree. This species has benefited from its willingness to use buildings, bridges, culverts and similar man-made structures. Given the choice, it will select a high nest site.

The eggs are glossy white with a few brown spots; three eggs is a typical clutch. Incubation is by the female alone for 17 to 20 days to hatching. Both parents then feed the chicks. Fledging takes another 23 to 30 days, but the young birds will return to the nest to roost for a few days after the first flight.

Scource: Wikipedia

 

Take the path at the trailhead S 34° 06.018 E 18° 26.020 to find the 5 bird caches along this route.

Take the path to the protea bush and rocks. Cache is at the top of the rock, west side of protea bush.

BYOP

Additional Hints (No hints available.)