Animalia · Cathartidae
Black Vulture
Coragyps atratus
LC · Least Concern
Overview
The black vulture (Coragyps atratus) is the most numerous large scavenging bird in the Americas, with a global population estimated at 50–100 million mature individuals. It is entirely black — plumage, bare wrinkled head, and short hooked bill — with conspicuous white “fingertip” patches on the underside of each wing that flash in flight. In the air, it holds its wings flat (unlike the dihedral of turkey vultures) and alternates stiff flaps with flat-winged glides, a pattern that makes identification easy at distance.
Black vultures lack the refined olfactory sense of turkey vultures and instead locate food visually or by keying on other vultures that have already found a carcass. This produces the characteristically social foraging style: a crowd at a kill, often aggressively displacing the more numerous but less dominant turkey vultures.
Why Tortuguero
Tortuguero village has a reliable year-round population roosting on tall snags along the beach and the river mouth. Black vultures here perform the same ecological role they do continent-wide — rapid recycling of carcasses, waste reduction around the village fish market, and general ecosystem cleanup. A group of 20–30 birds in an argument over a dead fish on the river beach is a common spectacle and not easily ignored. In the broader park, they range along the coast and into cleared areas at the forest edge.
How to see them (honestly)
- Effort required: none. They are visible from the village dock on virtually every morning.
- Best views: soaring at mid-morning when thermals develop. Groups form loose aggregations over the coast and river mouth, sometimes mixing with turkey vultures. At this altitude, the wing pattern and flat-winged glide distinguish them cleanly.
- Behavior: at rest they sunbathe with wings spread, a thermoregulation behavior that also dries waterlogged plumage. If threatened or cornered, they vomit — the corrosive gastric contents are an effective defense.
- Don’t confuse with: the turkey vulture, which has a red bare head, a two-tone wing pattern (silver-grey flight feathers), and a strong dihedral in flight. In mixed groups on the ground, black vultures are squatter and more aggressive.
Status note
Least Concern with a large and stable population. The species has benefited from forest clearing and increased human activity across its range, expanding northward into the US Midwest and Northeast over the past three decades. There is no meaningful conservation concern for this species at any scale.
Sources
- Wikipedia — American black vulture · accessed 2026-05-22
- Avibase — Birds of Costa Rica, Tortuguero checklist · accessed 2026-05-22