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They primarily eat a variety of insects, fruit, nectar, and pollen, though the greater spear-nosed bat, big-eared woolly bat, and spectral bat will also eat birds, bats, and small mammals, and the three vampire bat species of the subfamily Desmodontinae solely consume blood. [1]
The California leaf-nosed bat weighs between 12 and 20 grams, has a wingspan of over 30 centimeters and a body length of over 6 centimeters, and is brown in color. As its name implies, it has a triangular fleshy growth of skin, called a noseleaf, protruding above the nose.
The California Leaf-nosed Bat inhabits the arid deserts of the southwestern United States as far north as Nevada, south to Baja California and Sonora, Mexico. The California Leaf-nosed Bat is of medium size, with a total length between 9 and 11 cm [ 2 ] Its most distinctive features are the large ears, connected across the forehead.
To meet basic nutritional requirements, leaf-nosed bats that primarily feed on fruit and nectar must also consume insects to ensure sufficient protein and fat intake [19] and visit salt licks to acquire sodium and other nutrients. [20] [21] Most leaf-nosed bats are classified as insectivores and feed on a variety of small insects.
Only three species of microbat feed on the blood of large mammals or birds ("vampire bats"); these bats live in South and Central America. Although most "Leaf-nose" microbats are fruit and nectar-eating, the name “leaf-nosed” isn't a designation meant to indicate the preferred diet among said variety. [3]
The general assembly of North Carolina considered a bill in 2007 that would have made Rafinesque's big-eared bat as its state bat. The bill passed 92-15, but died in the state senate. [ 3 ] In 2020, the big brown bat was designated the official state mammal of the District of Columbia . [ 4 ]
A tiny insect is posing a big problem to California crops. Gov. Gavin Newsom wants to spend $22 million to address it.
Dermanura is a genus of leaf-nosed bats. [1] Genus Dermanura. Andersen's fruit-eating bat, Dermanura anderseni [2] Aztec fruit-eating bat, Dermanura azteca [2] Bogota fruit-eating bat, Dermanura bogotensis; Gervais's fruit-eating bat, Dermanura cinerea [2] Silver fruit-eating bat, Dermanura glauca [2] Gnome fruit-eating bat, Dermanura gnoma [2]