Animals / Mammal Facts

Mammal Facts


long eared desert hedgehog africa middle east

Long-eared desert hedgehog

 

There are about 5,400 species of mammals in the air and water and on the land.

 

Some characteristics of mammals are:

  • mammary glands
  • hair
  • diaphragm
  • three middle-ear ossicles
  • heterodont dentation
  • sweat, sebaceous, and scent glands
  • four-chambered heart
  • large cerebral cortex

 

Mammal record setters - the big, the bad, and the ugly:

  • Fastest - cheetah at 60-70 mph (97-110 kph)
  • Slowest - sloths
  • Biggest - blue whale
  • Biggest on the land - african elephant
  • Biggest primate - gorilla
  • Biggest fish - whale shark
  • Tallest - giraffe
  • Smallest - pygmy shrew (1.2-2.7 g) or maybe the bumblebee bat (about 2 g)
  • Loudest - blue whale
  • Loudest on land - howler monkey
  • Smelliest - striped skunk
  • Ugliest - aye-aye or maybe the solenodon
  • Fatest - blue whale
  • Badest - man
  • Wickedest - bats
  • Venomest - male duckbilled platypus, some shrews, and the solenodon

 

Some of the orders of mammals are:

 

 

 

 

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