The Scarlet Ibis is a species

Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 of ibis

Ibis

The ibises are a group of long-legged wading birds in the family Threskiornithidae....

 that inhabits tropical South America

South America

South America is a continent situated in the Western Hemisphere, mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere. The continent is also considered a subcontinent of the Americas. It is bordered on the west by the Pacific Ocean and on the north and east...

 and also Trinidad and Tobago

Trinidad and Tobago

Trinidad and Tobago officially the Republic of Trinidad and Tobago is an archipelagic state in the southern Caribbean, lying just off the coast of northeastern Venezuela and south of Grenada in the Lesser Antilles...

. It is the national bird of Trinidad and is featured on the Trinidad and Tobago coat of arms

Coat of arms

A coat of arms is a unique heraldic design on a shield or escutcheon or on a surcoat or tabard used to cover and protect armour and to identify the wearer. Thus the term is often stated as "coat-armour", because it was anciently displayed on the front of a coat of cloth...

 along with Tobago's national bird, the Rufous-vented Chachalaca

Rufous-vented Chachalaca

The Rufous-vented Chachalaca, Ortalis ruficauda, is a member of an ancient group of birds of the Cracidae family, which are related to the Australasian mound builders. It inhabits northeast Colombia and northern Venezuela where it is called Guacharaca, and in Tobago where it is known as the Cocrico...

.

Taxonomy

This species is very closely related to the American White Ibis

American White Ibis

The American White Ibis is a species of wading bird in the ibis family Threskiornithidae. It occurs from the mid-Atlantic and Gulf coast of the United States south through most of the New World tropics...

 and is sometimes considered conspecific

Conspecificity

Conspecificity is a concept in biology. Two or more individual organisms, populations, or taxa are conspecific if they belong to the same species....

 with it. While the species may have occurred as a natural vagrant in southern Florida

Florida

Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...

 in the late 19th century, all recent reports of the species in North America have been of introduced or escaped birds. Eggs from Trinidad were placed in White Ibis

American White Ibis

The American White Ibis is a species of wading bird in the ibis family Threskiornithidae. It occurs from the mid-Atlantic and Gulf coast of the United States south through most of the New World tropics...

 nests in Hialeah Park in 1962, and the resulting population hybridised with the native ibis, producing "pink ibises" that are still occasionally seen.

Description

Adults are 56–61 cm (22–24 ) long and weigh 650 grams (22.9 oz). They are completely scarlet

Scarlet (color)

Scarlet is a bright red color with a hue that is somewhat toward the orange. It is redder than vermilion. It is a pure chroma on the color wheel one-fourth of the way between red and orange. Scarlet is sometimes used as the color of flame...

, except for the black wing tips. They nest

Bird nest

A bird nest is the spot in which a bird lays and incubates its eggs and raises its young. Although the term popularly refers to a specific structure made by the bird itself—such as the grassy cup nest of the American Robin or Eurasian Blackbird, or the elaborately woven hanging nest of the...

 in trees, laying two to four eggs

Egg (biology)

An egg is an organic vessel in which an embryo first begins to develop. In most birds, reptiles, insects, molluscs, fish, and monotremes, an egg is the zygote, resulting from fertilization of the ovum, which is expelled from the body and permitted to develop outside the body until the developing...

. Their diet consists of frog

Frog

Frogs are amphibians in the order Anura , formerly referred to as Salientia . Most frogs are characterized by a short body, webbed digits , protruding eyes and the absence of a tail...

s, reptile

Reptile

Reptiles are members of a class of air-breathing, ectothermic vertebrates which are characterized by laying shelled eggs , and having skin covered in scales and/or scutes. They are tetrapods, either having four limbs or being descended from four-limbed ancestors...

s and crustacean

Crustacean

Crustaceans form a very large group of arthropods, usually treated as a subphylum, which includes such familiar animals as crabs, lobsters, crayfish, shrimp, krill and barnacles. The 50,000 described species range in size from Stygotantulus stocki at , to the Japanese spider crab with a leg span...

s. A juvenile Scarlet Ibis is grey and white. As it grows, the ingestion of red crustaceans in the tropical swamps gradually produces the characteristic scarlet plumage. The life span of the Scarlet Ibis is approximately 15 years in the wild and 20 years in captivity.