West Indian manatee

Largest of the sirenians, divided into two subspecies, the Florida manatee in the US and the Antillean manatee in the Caribbean

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West Indian manatee

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Largest of the sirenians, divided into two subspecies, the Florida manatee in the US and the Antillean manatee in the Caribbean

Population <10,000

This comparison to cows stems not only from their placid grazing habits but also from their physical appearance and large size. Observing these serene creatures swimming leisurely on their backs, exposing their snouts and flippers to the sun, is a delightful sight that captivates the hearts of wildlife enthusiasts and casual observers alike.

West Indian manatees are known for their social behavior, and they are often found congregating in groups that can number up to a hundred individuals. These gatherings underscore their communal nature, though they are equally adept at embarking on solitary journeys. Their migratory patterns are significantly influenced by water temperature. As creatures that require warm environments to thrive, they instinctively move toward warmer waters when sea temperatures drop below 18°C (64°F). During colder months, naturally, warm water springs and the warm water discharges of power plant lagoons become crucial sanctuaries for these manatees, providing them with a refuge from the chill.

Feeding primarily on a variety of aquatic plants, such as seagrasses and water hyacinths, the West Indian manatee’s downward-facing muzzle is perfectly adapted for grazing on underwater vegetation. On rare occasions, they may diversify their diet with small fish, displaying a degree of dietary flexibility. This herbivorous diet is central to their role in maintaining the health of aquatic ecosystems. By consuming large quantities of vegetation, manatees help control the growth of seagrasses and other plants, thus ensuring a balanced aquatic environment.

A distinctive feature of the West Indian manatee is its flippers, which bear three to four fingernails—a trait that not only aids in their movement and feeding but also distinguishes them from other manatee species. These flippers are versatile tools, enabling manatees to maneuver through the water, grasp or manipulate food, and interact with their environment and each other.

Distribution

Country
Population est.
Status
Year
Comments
Anguilla
Official estimate
EX
Extinct locally
Antigua & Barbuda
Official estimate
EX
Extinct locally
Aruba
Official estimate
EX
Extinct locally
Bahamas
2008
Barbados
Official estimate
EX
Extinct locally
Belize
2008
Bonaire
Official estimate
EX
Brazil
2008
British Virgin Is.
2008
Cayman Islands
2008
Colombia
2008
Costa Rica
2008
Cuba
2008
Curaçao
2008
Dominica
Official estimate
EX
Extinct locally
Dominican Republic
2008
French Guiana
2008
Grenada
Official estimate
EX
Extinct locally
Guadeloupe
Official estimate
EX
Extinct locally
Guatemala
2008
Guyana
2008
Haiti
2008
Presence Uncertain
Honduras
2008
Jamaica
2008
Martinique
Official estimate
EX
Extinct locally
Mexico
2008
Montserrat
Official estimate
EX
Extinct locally
Nicaragua
2008
Panama
2008
Puerto Rico
2008
Saint Barthélemy
Official estimate
EX
Extinct locally
Saint Lucia
Official estimate
EX
Extinct locally
Saint Martin
Official estimate
EX
French Part
Saint Vincent
Official estimate
EX
Extinct locally
Sint Maarten
Official estimate
EX
Dutch Part
St. Kitts & Nevis
Official estimate
EX
Extinct locally
Suriname
2008
Trinidad & Tobago
2008
Turks & Caicos
2008
Possibly Extinct
US Virgin Islands
2008
United States
2008
Venezuela
2008

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Terrestrial / Aquatic

Altricial / Precocial

Polygamous / Monogamous

Dimorphic (size) / Monomorphic

Active: Diurnal / Nocturnal

Social behavior: Solitary / Pack / Herd

Diet: Carnivore / Herbivore / Omnivore / Piscivorous / Insectivore

Migratory: Yes / No

Domesticated: Yes / No

Dangerous: Yes / No