National Park Tortuguero Independent wildlife encyclopedia

Animalia · Alcedinidae

Belted Kingfisher

Megaceryle alcyon Linnaeus, 1758

LC · Least Concern

ID
FN-0038
Class
Aves
Order
Coraciiformes
Family
Alcedinidae
Strata
Understory
Status
LC

Overview

The belted kingfisher (Megaceryle alcyon) is a stocky, large-headed bird with a shaggy crest and a heavy black bill built for catching fish. Adults measure 28–35 cm. Both sexes display a slate-blue back and head, a white collar, and a blue breast band; the female adds a rusty-orange band across the belly — unusual among birds in that the female is more colorful than the male in this zone. The rattling, machine-gun call is carrying and unmistakable: once you’ve heard it, you will never misidentify a kingfisher call again.

The hunting method is kinetic: hover over open water, fix a target fish, then plunge headfirst. On the canals the bird typically hunts from a fixed perch rather than hovering, watching the water below before dropping.

Why Tortuguero

The belted kingfisher is a boreal and temperate North American breeder that migrates to Central America for the austral winter. In Tortuguero it’s a seasonal presence — real but secondary to its larger, resident cousin the ringed kingfisher. For visiting birders from North America, encountering the same species in a Tortuguero canal that they see back home carries its own resonance; the bird is here for the same reason many visitors are — the canal system provides reliable food and warmth.

The species is noticeably smaller and more slender than the ringed kingfisher, and the call is higher-pitched. Both species may be seen along the same canal stretch, which makes for a clean comparison.

How to see them (honestly)

  • Look and listen along the canal margins, October through April. The rattling call will locate the bird before you see it.
  • Perches tend to be exposed: wires, bare branches projecting over the water, wooden dock pilings.
  • If you see a kingfisher and it’s large with solid rusty-orange underparts, that’s the ringed; smaller, with a pale belly and blue band, that’s the belted.
  • Numbers vary year to year depending on migration pressure. Some winters bring more birds than others.

Status note

Least Concern globally. North American populations are stable. The species breeds in tunnels excavated in earthen banks — habitat generally not at risk in Costa Rica. Principal threats operate at the breeding end of the range: stream bank erosion from development and pesticide accumulation from fish consumed in agricultural watersheds. No documented population concern in Tortuguero.

Sources