Eurypygiformes is the scientific name for the group of birds commonly known as tropicbirds. The word itself can seem daunting to spell, but it is actually broken down into manageable parts. The initial "eur-" prefix comes from the Greek word for "wide" or "broad", while "-pygi-" refers to the birds' prominent tail feathers. The "-formes" suffix denotes the taxonomic order to which the birds belong. When pronounced with IPA phonetics, the word is spelled "yoo-ruh-puh-jih-fohr-meez".
Eurypygiformes is a taxonomic order of birds that consists of a single family called Eurypygidae, which includes the sunbittern (Eurypyga helias) as the only extant species. This order is mainly characterized by their unique physical features and behavior.
Eurypygiformes are medium-sized birds with a body length ranging from 40 to 50 centimeters. They have long necks and legs, as well as broad wings with distinctive black, white, and chestnut patterns. One of their most striking features is their multicolored plumage, composed of iridescent blues, greens, and oranges.
These birds are typically found in the tropical regions of Central and South America, where they inhabit densely vegetated areas such as swamps, marshes, and riverbanks. They are known for their secretive and elusive nature, making them challenging to observe in the wild.
Eurypygiformes are considered insectivorous, feeding on a variety of small invertebrates like insects, crustaceans, and mollusks. They have also been observed consuming small fish and amphibians. Their diet is complemented by their long, slender bill, which allows them to probe for prey in the mud and shallow waters.
This order also displays a unique breeding behavior. Males and females engage in elaborate courtship displays, including vocalizations, wing-flapping, and dancing. They usually lay two eggs in a nest situated on a tree branch or pile of vegetation.
Overall, Eurypygiformes represents a distinct and fascinating avian order that stands out for its impressive appearance, habitat preferences, dietary habits, and courtship rituals.
The word "Eurypygiformes" is derived from two separate sources.
The first part, "Eury-", comes from the Greek word "eurys" meaning "wide" or "broad". This prefix is typically used in words related to size or shape.
The second part, "-pygiformes", is a combination of two elements: "pygi-", which derives from the Greek word "pyge" meaning "buttocks" or "rump", and "-formes", a suffix used in taxonomy to indicate a specific order or group.
So, together, "Eurypygiformes" refers to a specific order of birds that are characterized by having a wide or broad rump. This order includes the species commonly known as sunbitterns and kagu birds.