White Ibis, Ibis Blanco, Eudocimus albus
Photo: © LAM_7802 Luis A. Materon

White Ibis, Ibis Blanco, Eudocimus albus

White Ibis

Eudocimus albus
Ibis Blanco

Song

The White Ibis (Eudocimus albus

Appearance: The White Ibis is easily recognized by its overall white plumage, long pink curved bill, and black wingtips that are visible in flight. During the breeding season, adults may exhibit hints of pink on the face and legs. Juveniles have a more brownish coloration, gradually acquiring their white plumage as they mature.

Habitat: White Ibises inhabit a range of wetland habitats, including marshes, swamps, lagoons, and mudflats. They are commonly found near freshwater or brackish water sources where they can forage for small aquatic creatures such as fish, crustaceans, and insects.

Behavior: White Ibises are social birds that often gather in groups, especially during foraging. They use their long bills to probe the mud or shallow water for food. They are also known for their distinctive honking calls and their synchronized flying formations.

Breeding: White Ibises typically breed in colonies, where they construct platform nests in trees or shrubs close to water. The female lays 2-4 eggs, which both parents incubate for about three weeks. Chicks fledge within 5 to 6 weeks and remain dependent on their parents for some time after leaving the nest.

Conservation Status: The conservation status of the White Ibis is currently categorized as "Least Concern" by the International Union for Conservation of Nature (IUCN).

Distribution

The White Ibis (Eudocimus albus)

Caribbean Coast Region: The White Ibis can be found along the Caribbean coast of Colombia, including areas in departments such as Atlántico, Bolívar, and La Guajira. Coastal wetlands, mangroves, and estuaries provide important habitats for this species in these regions.

Magdalena Valley Region: Parts of the Magdalena Valley region, which includes departments like Magdalena, Cesar, and Bolívar, also support populations of the White Ibis. Wetlands and marshes in this region provide feeding and nesting grounds for these birds.

Pacific Coast Region: The White Ibis is also present in certain areas along the Pacific coast of Colombia, including regions in departments such as Chocó and Valle del Cauca. Mangrove swamps and coastal estuaries are key habitats for the species in these areas.

Llanos Region: The extensive wetlands of the Llanos region in eastern Colombia, including areas in departments such as Meta and Casanare, provide important habitat for the White Ibis. Flooded grasslands, marshes, and rivers support populations of these birds in the Llanos.

Amazon Region: Some parts of the Amazon region in southern Colombia, such as departments like Amazonas and Caquetá, also harbor populations of the White Ibis. Wetland habitats in the Amazon basin provide essential resources for these birds.

Taxonomy

The White Ibis ( Eudocimus albus)

  • Kingdom: Animalia
  • Phylum: Chordata
  • Class: Aves (Birds)
  • Order: Caprimulgiformes
  • Family: Threskiornithidae
  • Genus: Eudocimus
  • Species: Eudocimus albus

Vocalization

The vocalizations of the White Ibis (Eudocimus albus)

  1. Grunts and Croaks: White Ibises often produce guttural grunts and croaking sounds that serve as contact calls within the flock. These calls help ibises stay connected with each other while they forage, roost, or fly together.
  2. Trumpeting Calls: White Ibises are known for their distinctive trumpeting calls, which can be loud and resonant. These calls are often used in territorial displays or as warning signals to other ibises in response to potential threats.
  3. Bill Clacking: White Ibises may engage in bill clacking, a form of communication where they rapidly snap their bills together to produce a clicking sound. This behavior is often seen during courtship displays and can convey aggression or excitement.
  4. Whistles and Whines: White Ibises are capable of producing various whistling and whining sounds, which can be used in different contexts such as mating rituals, nest-building activities, or interactions between individuals within the flock.
  5. Alarm Calls: When White Ibises perceive danger or feel threatened, they may emit loud, harsh alarm calls to alert others in the vicinity. These alarm calls are typically sharp and repetitive, signaling the need for increased vigilance or a coordinated response to a potential predator.