2025年1月15日 · Bat, any member of the only group of mammals capable of flight. This ability, coupled with the ability to navigate at night by using a system of acoustic orientation (echolocation), has made the bats a highly diverse and populous order. More than 1,200 species are currently recognized, and many are enormously abundant.

2025年1月15日 · Bat - Nocturnal, Echolocation, Flying Mammal: Nocturnal activity is a major feature of the behavioral pattern of bats. Flight is the primary mode of locomotion, but the flight styles vary. Bats choose a variety of diurnal roosts, although the …

Bats are the only mammals that can truly fly. Sometimes people mistake bats for birds. But bats are more closely related to other mammals—including humans—than they are to birds. And bats do not have feathers.

2025年1月15日 · Bat - Nocturnal, Mammal, Flying: Chiropterans are defined by flight with elongated finger bones and marked pectoral specialization to support it, weak pelvic and leg development, reduced ulna, and knees directed rearward and outward.

2025年1月27日 · Bat - Flight, Echolocation, Nocturnal: Bats are mammals with front limbs modified for flight. Many bats that exhibit daily torpor also hibernate during the winter. Digestion is unusually rapid. Vision is used in long-distance navigation and …

bat, Any member of more than 1,100 species (order Chiroptera) of the only mammals to have evolved true flight. Their wings are evolutionary modification of the forelimbs, with greatly elongated fingers joined by a membrane that extends down the side of the body.

Bats are usually divided into two suborders: Megachiroptera (large Old World fruit bats) and Microchiroptera (small bats found worldwide). They range in size from the giant flying foxes, with wingspans up to 5 feet (1.5 meters), to the itty-bitty bumblebee bat, with only a …

Red bat, (Lasiurus borealis), migratory vesper bat (family Vespertilionidae) found in wooded areas of North America. It is about 10 cm (4 inches) long, including a 5-cm (2-inch) tail, weighs 10–15 grams (0.33–0.5 ounce), and has narrow wings and short, rounded ears.

2024年12月31日 · fruit bat, any of numerous tropical bat species belonging either to the Old World fruit bats (family Pteropodidae), such as flying foxes, or to fruit-eating genera of the American leaf-nosed bats (family Phyllostomidae), especially those of the genus Artibeus (see Jamaican fruit bat).

BAT meaning: 1 : a long rounded stick that is used to hit the ball in baseball; 2 : a long flattened stick that is used to hit the ball in cricket