Rangkong (Hornbills)
Von der Decken’s Hornbill
Tockus deckeni
- langka
- 49 km/h
- Risiko rendah
Named for a 19th-century explorer. Males carry a red-and-ivory bill.
- Populasi
- Not quantified; widespread and locally common, with a suspected decreasing population trend
- Habitat
- Dry savanna, thorn scrub, and subtropical/tropical dry shrubland/woodland; low forest dependency; reaches roughly 1,500 m elevation in Ethiopia. A higher upper-elevation figure of ~2,080 m is reported but not well established.
- Fakta menarik
- Von der Decken's Hornbills form a documented mutualism with dwarf mongoose troops: the mongooses flush insects that the hornbills catch, while the hornbills act as aerial-predator sentinels, extending the mongooses' safe foraging time at termite mounds.
- Sebaran
- East Africa: Ethiopia (mainly in and east of the Rift Valley), Somalia, Kenya (except northeast), and central Tanzania; Extent of Occurrence ~2,380,000 km²
- Makanan
- Omnivorous ground forager: grasshoppers, locusts, beetles and their larvae, termites and ants, plus snails, mice, nestling birds, lizards, tree frogs, and seasonal seeds/berries
- Ukuran
- 0,47 m
- Masa hidup
- 10 tahun
