Grey-breasted martin

The grey-breasted martin (Progne chalybea) is a large bird in the swallow family. It lives in many parts of Central and South America. Like other swallows, it has long, pointed wings and a forked tail. These help it fly quickly and smoothly. People who love nature enjoy watching these birds because of their beautiful songs and graceful movements.

Taxonomy

In 1760, a French scientist named Mathurin Jacques Brisson wrote about the grey-breasted martin based on a bird from Cayenne in French Guiana. Later scientists, including Comte de Buffon and John Latham, also described this bird but did not give it a scientific name.

In 1789, a German scientist named Johann Friedrich Gmelin gave the grey-breasted martin its first scientific name, placing it in the group of swallows. Today, it is one of nine species in the genus Progne, named by another German scientist in 1826.

There are three types of grey-breasted martins found in different places. One lives from Mexico through Central America to Brazil and Trinidad. Another lives in western Mexico, and the third lives in South America as far south as Argentina. Some of these birds travel north during certain times of the year.

Description

The grey-breasted martin is a medium-sized bird. It is about 16 to 18 centimeters long and weighs between 33 and 50 grams. It has a forked tail and wide wings. Male birds have a shiny blue-black color with a grey-brown throat and breast, and a white belly. Females are less shiny and have a lighter throat. Young birds have dull brown feathers on their upper bodies.

Behaviour

Grey-breasted martins build their nests in holes in banks, buildings, or old woodpecker holes. They usually lay two to four eggs and keep them warm for about two weeks until they hatch. The baby birds stay in the nest for about three more weeks until they can fly.

These birds like to stay together and catch insects while flying. They make a funny “chew-chew” sound, similar to another bird called the Caribbean martin.