Lifespan, longevity, and ageing
provided by AnAge articles
Maximum longevity: 26.2 years (wild)
Observations: Maximum longevity from banding studies was 26.2 years (Blumstein and Moller 2008).
- license
- cc-by-3.0
- copyright
- Joao Pedro de Magalhaes
- editor
- de Magalhaes, J. P.
Description
provided by World Register of Marine Species
Length: 36-45 cm. Plumage: most of body sooty brown; white forehead merges into blue- or lavender-grey cap contrasting with dark lores and earcoverts; flight feathers and wedge-shaped tail nearly black. Immature with white on forehead only, no cap; upperparts and wings with white feather edges.. Bare parts: iris brown; robust bill black; feet and legs brownish black. Habitat: inshore, offshore and on offshore islands. Breeds on offshore islands--notably Lamu archipelago. <389><391><393>
- license
- cc-by-4.0
- copyright
- WoRMS Editorial Board
- bibliographic citation
- Urban, E. K.; Fry, C. H.; Keith, S. (1986). The Birds of Africa, Volume II. <em>Academic Press, London.</em>
- contributor
- Edward Vanden Berghe [email]
