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African Openbill
African OpenbillAfrican Openbill
Least Concern Birds

African Openbill

Anastomus lamelligerus

A glossy blackish stork with a curious gap between its mandibles, specialised for eating snails.

Quick facts

African Openbill (Anastomus lamelligerus) is a Birds you may encounter across Widespread across sub-Saharan Africa; common in the wetlands and marshes of East Africa. It prefers Wetlands, marshes, flooded grassland and the edges of lakes and rivers, feeds mainly on Feeds mainly on aquatic snails and freshwater mussels, using its specialised bill to deftly extract the flesh from the shells, and is most active Diurnal, foraging slowly through shallow water and often gathering in flocks. On the IUCN Red List it is listed as Least Concern.

Scientific name Anastomus lamelligerus
Swahili name Domo-wazi
Conservation status Least Concern
Sighting difficulty Hard
Best season Green season (Nov–Apr)
Class Aves
Order Ciconiiformes
Family Ciconiidae
Size Height about 80-94 cm, wingspan about 1.5 m, weight about 1-1.3 kg
See this species in the app

How to identify

Entirely blackish plumage with a greenish-purple metallic sheen; the standout feature is the dark bill that leaves a visible gap between the mandibles even when closed, evolved for gripping snails and mussels

Habitat

Wetlands, marshes, flooded grassland and the edges of lakes and rivers

Diet

Feeds mainly on aquatic snails and freshwater mussels, using its specialised bill to deftly extract the flesh from the shells

When it is active

Diurnal, foraging slowly through shallow water and often gathering in flocks

Where it lives

Widespread across sub-Saharan Africa; common in the wetlands and marshes of East Africa

How to spot it

Look for flocks of black storks wading slowly in marshes and lakeshore shallows; the visible gap in the bill confirms the identification

Photography tips

Shoot in side light to show the diagnostic gap in the bill clearly; use the greenish-purple sheen of the feathers against a dark background; catch it manipulating a snail

Threats

Draining and degradation of wetlands, water pollution and pesticide-driven declines in snails that reduce its food supply

Similar species

Other storks lack the gap in the bill; the Marabou is much larger with a bare head and neck; dark herons are smaller with differently shaped bills

Field guide notes

How to Spot the African Openbill on an African Safari

The African Openbill is one of the most sought-after species to track on an African safari, and knowing its habits turns a hopeful search into a confident one. This field guide breaks down how to recognise the African Openbill at a glance, the habitats and times of day that reward patient searching, and the practical tracking craft guides rely on. Read it before you set out and you will spend less time scanning empty bush and more time watching the animal itself.

Entirely blackish plumage with a greenish-purple metallic sheen; the standout feature is the dark bill that leaves a visible gap between the mandibles even when closed, evolved for gripping snails and mussels

Concentrate your search for the African Openbill in Wetlands, marshes, flooded grassland and the edges of lakes and rivers, the habitat where it feels most secure and finds its food. It is most active Diurnal, foraging slowly through shallow water and often gathering in flocks, so plan your game drives around those hours rather than the heat of midday. Across the continent the species ranges through Widespread across sub-Saharan Africa; common in the wetlands and marshes of East Africa, and within that range the richest sightings come where prime habitat meets low human disturbance.

Finding the African Openbill starts long before you see it. Learn the habitat it depends on — Wetlands, marshes, flooded grassland and the edges of lakes and rivers — and you narrow the search from an entire landscape to a handful of promising corners. Animals are not scattered at random; they sit where food, water, cover and safety overlap, and the African Openbill is no exception.

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FAQ

Where is the best place to see a African Openbill?

The African Openbill ranges across Widespread across sub-Saharan Africa; common in the wetlands and marshes of East Africa, but distribution alone is only half the story. Your best odds come inside well-managed protected areas within that range where its preferred habitat — Wetlands, marshes, flooded grassland and the edges of lakes and rivers — is extensive and healthy. Reserves with low vehicle traffic and experienced guiding teams consistently deliver the closest, calmest sightings.

Is the African Openbill easy to see on safari?

That depends on how secretive the species is and how well you time your search. Because the African Openbill is most active Diurnal, foraging slowly through shallow water and often gathering in flocks, aligning your game drives with those hours dramatically improves your chances. Travelling with a guide who knows the local individuals and their movements matters more than luck.

What should I take to help me find the African Openbill?

A decent pair of binoculars is the single most useful tool, ideally 8x42 or 10x42 for a bright, steady image. A field guide or the SafariLingo app helps you confirm the identification and rule out look-alike species. Neutral clothing, patience and a willingness to sit quietly do the rest.

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