Notes on the Breeding Biology of the Freckled Nightjar

Steyn, Peter

doi:10.1080/00306525.1971.9633405

Cited by 14 publications

(11 citation statements)

References 2 publications

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“…As suspected by Steyn & Myburgh (197S), Langley (1984) and Steyn (1971), C. pectoralis and C. tristigma males attend to the eggs and young at night, while the females do so by day (Table 4). There is sexual dimorphism in both these species, the male showing a conspicuous white wing bar and white apical patches on the outer rectrices.…”

Section: Roles Of the Sexesmentioning

confidence: 84%

Aspects of the Breeding Biology of the Fierynecked Nightjar

Jackson¹

1985

Ostrich

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JACKSON H. D. 1985. Aspects of the breeding biology of the Fierynecked Nightjar. Ostrich 56: 263-276.A marked population of nightjars in Zimbabwe was studied intensively for four breeding seasons. This paper covers certain aspects of the breeding biology of the Fierynecked Nightjar Caprimulgus pectoralis. The male shows strong site fidelity during the breeding season (September to December), singing, feeding and breeding within an area of about 5,8 ha. There is some evidence of site defence by the male. The female shows strong mate fidelity, resulting in a pair bond for life. Egg laying starts with full moon in September and is further stimulated by the next two full moon periods. The eggs are laid directly on dense leaf litter at a site overhung by foliage. The normal clutch is two eggs (12S % are one egg) laid on successive days during the afternoon. Incubation starts with the first egg and is by the male at night and the female by day. The incubation period is 18 days. The birds respond to undue disturbance by deserting the eggs and laying a replacement clutch. The chicks usually hatch on successive afternoons; they are mobile on the first day and will move to a parent if called. Both parents feed and brood the young during twilight and moonlight; the male broods them on dark nights and the female does so by day. The species is double-brooded when time permits, the female laying again once the first brood has reached independence; she may even lay a third clutch if the second one comes to grief. There is no evidence of adults transporting eggs or young.

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Section: Roles Of the Sexesmentioning

confidence: 84%

Aspects of the Breeding Biology of the Fierynecked Nightjar

Jackson¹

1985

Ostrich

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“…According to Cleere (1998), foraging C. ruficollis apparently store food in this manner. Steyn (1971) noted that an adult C. tristigma feeding young seems to carry a food ball in its throat. A photograph by Blackburn (1975) shows a C. europaeus adult passing a food ball to a 22-day-old chick.…”

Section: Crop and Gizzardmentioning

confidence: 96%

“…Generally speaking, in a warm climate insects are abundant at night (Morel 1968), but a marked absence of insect life during a spell of unseasonable bitterly cold weather can result in the death of many birds, as in the case of some C. tristigma chicks (Steyn 1971). Birds can avoid adverse weather conditions, and the consequent food shortages, either by moving away or by entering into a state of torpor.…”

Section: Torpormentioning

confidence: 99%

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A review of foraging and feeding behaviour, and associated anatomical adaptations, in Afrotropical nightjars

Jackson¹

2003

Ostrich

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“…Nightjars and nighthawks (Caprimulgidae) are a nocturnally active avian taxon that 73 generally roost and nest on the ground during their diurnal rest phase. Several species have been 74 reported occupying sites devoid of shade and continuously subjected to intense solar radiation, 75 even in midsummer (e.g., Cowles and Dawson 1951, Bartholomew et al 1962, Steyn 1971 Grant 1982, Cleere and Nurney 1998). Moreover, forced convective heat loss at these sites is 77 likely minimal due to reduced wind speeds at ground level (Chen et al 1998 Rufous-cheeked Nightjars experience in the field, despite the importance of these data for 88 understanding their water budgets.…”

Section: Introduction 40mentioning

confidence: 99%