14 Facts About Cactus wren

Cactus wren is a species of wren endemic to the deserts of the southwestern United States and northern and central Mexico.

The cactus wren is a poor flier and generally forages for food on the ground.

Study of the evolution of the cactus wren suggests that it evolved in central Mexico about one million years ago and quickly spread to its modern range.

The cactus wren was placed in the genus Helodytes by the American Ornithologists' Union in 1894, but they returned it to Campylorhynchus in 1947.

Various subspecies of the cactus wren have been described, and seven are generally recognized.

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The exact taxonomy of the cactus wren remains under debate, and not all subspecies are universally recognized.

Ornithologists Anders and Anne Anderson, in their compendium of 40 years of cactus wren research published in 1973, recognize seven subspecies and do not classify C b sandiegensis as an independent subspecies.

The spotted wren looks similar, but is paler and has fewer markings, and its habitat is in oak woodlands .

Main call of the cactus wren is a harsh and raspy series of jar-jar-jar, or char, notes, which increase in volume and pitch as the song goes on.

Cactus wren is a bird of arid and semi-desert regions, and generally requires spiny cacti to nest in.

The cactus wren is not migratory, and establishes a permanent territory which it defends vigorously.

Cactus wren is primarily an insectivore, although it will take seeds, fruits, nectar, and even small reptiles.

The cactus wren can survive as a true xerophile, existing without any free water as it receives almost all water from its diet.

Cactus wren is the state bird of Arizona, so designated on 16 March 1931 by the Arizona State Legislature in House Bill 128.