African Sacred Ibis (Threskiornis aethiopicus) lives in wetlands grasslands across Sub-Saharan Africa. It feeds on insects and frogs. Its conservation status is Least Concern.
Fascinating facts about the African Sacred Ibis
- An adult African sacred ibis stretches 68 cm (27 in) from beak to tail, yet its wings can span up to 124 cm (49 in) and it weighs as much as 1.5 kg (3.3 lb). Males tip the scale slightly higher than females. This size lets the bird snatch fish in shallow water.
- During the African breeding season, from March to August, sacred ibises form monogamous pairs that lay an average of two eggs, each incubated for about 28 days. The chicks fledge after 35-40 days and become independent by roughly 45 days. This rapid development cycle, sustaining the species' large colonial colonies that can swell to hundreds of individuals.
- South African ibises expanded their numbers 2-3-fold between 1972 and 1995 after irrigation, dams and agricultural waste created new foraging sites. In Tanzania, surveys count 500-1,000 + birds at several sites, totalling around 20 000 individuals. These figures show how human-altered landscapes can boost populations, turning the ibis into a common resident where water and refuse are abundant.
- In France, a free-flying colony that escaped from the Branféré Zoo produced its first successful breeding in 1993 at two sites 25 km and 70 km from the zoo. By 2005 the Atlantic French population reached an estimated 1,100 pairs and up to 3,000 birds in winter, prompting its inclusion on the EU's Invasive Alien Species list in 2016. The rapid growth illustrates how a handful of escapees can become a regional ecological concern.
- The sacred ibis once thrived in ancient Egypt, where thousands were mummified each year for the god Thoth. Genetic analysis of those mummies shows no loss of diversity, indicating the birds were captured from a wide geographic pool rather than bred in captivity. This historic exploitation demonstrates early large-scale wildlife harvesting without genetic bottlenecks.
Sources
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At a glance
RangeSub-Saharan Africa
HabitatWetlands grasslands
DietInsects and frogs
About the African Sacred Ibis
In the scorching savannas and wetlands of Africa, the Sacred Ibis glides effortlessly, its sleek, curved beak slicing through the air as it searches for its next meal. With a subtle elegance, it wades through the shallow waters, its long legs moving with a quiet deliberation, as if savoring every step. As the sunlight dances across its snowy plumage, the Sacred Ibis is a vision of serenity, its very presence seeming to embody the timeless, unhurried rhythm of the African wilderness.
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