By Josie April 20th, 2023
All mammals give birth to live young and nurture them with milk from their mammary glands (yes, even whales!)
They are also endothermic and have a four-chambered heart.
Another universal trait of mammals is the presence of a neocortex, which is a region in the brain.
Weighing less than an ounce, these tiny creatures are known for having the highest metabolic rate of any mammal.
By Lies Van Rompaey on iNaturalist – Photo 5133142 on iNaturalist, CC BY 4.0, https://commons.wikimedia.org/w/index.php?curid=52087801
They eat nearly their entire body weight in insects daily.
This tiny little thing lives in the forests of Madagascar.
It communicates with others of its kind through a series of high-pitched vocalizations that are both complex and varied.
It plays an essential role in its ecosystem – from helping to control insect populations to aiding in soil aeration.
They have soft, luxurious fur and a long, bushy tail.
This is is a small marsupial found in the western parts of South America.
By Cristián Larraguibel González y Luis Felipe Tapia Yanfka, CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=72640573
Despite its small size,it is a skilled predator that feeds mainly on insects and small vertebrates.
This small, insect-eating Bat is found across Europe and Asia and is known for its distinctive frequency-modulated echolocation calls.
It is a small bat with a body length of only 1,5-2 inches.
With its unique tube-shaped snout, this Bat has adapted to drink nectar from the flowers of the forest trees.
By Pxc06142 – Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=65502838