Facts About Frogs, At A Glance
By Irina Bright.
This article is part of our Environment section
See the complete list of all our Articles about Rainforest Animals here.
Find a summary of some fascinating facts about frogs below.

- There are more than 5,000 known species of frogs.
- The largest diversity of frogs is found in tropical rainforests.
- Their size ranges from 1cm to 30cm in length.
- Most of them are semi-aquatic animals, i.e. they live both on land and in water.
- While in water, frogs can “breathe” with their skin as oxygen passes through it into the blood.
- While on land, they breathe with their nostrils as the throat puffs out and the air is forced into the lungs.
- Fertilization in frogs is external: females lay eggs (up to many thousands) which are then fertilized by males.
- Adult frogs are mostly carnivorous eating such invertebrates as insects, spiders etc.
- They often use their sticky tongues to catch moving prey.
- Frogs are considered an “indicator” species that can point to changes in environments for whole ecosystems.
Reference:
Frog. (September 23, 2007). In Wikipedia, The Free Encyclopedia. Retrieved September 24, 2007 from
http://en.wikipedia.org/w/index.php?title=Frog&oldid=159713650
Written by: Irina Bright
Original publication date: 2007
Republication date: 2020