Amphibians
Amphibians are a group of cold-blooded vertebrates that are characterized by their ability to live both on land and in water. They are unique among animals as they undergo a process called metamorphosis, during which they transform from a aquatic larval stage into a terrestrial adult form. This transition is marked by the development of lungs for breathing air and the loss of external gills. Amphibians are found on every continent except Antarctica, and they include three main groups: frogs and toads, salamanders, and caecilians. These creatures come in a variety of shapes and sizes, with some species measuring just a few centimeters long, while others can grow to over a meter in length. Fossil records indicate that amphibians have been around for millions of years, with the earliest known amphibian species dating back to the Devonian period, around 370 million years ago. Over time, these animals have evolved to occupy a wide range of habitats, from damp forests and grasslands to arid deserts and even high mountain ranges. Despite their ability to live on land, many amphibians still rely on water for reproduction. Females lay their eggs in water, and the developing embryos rely on moisture to survive. This makes amphibians particularly vulnerable to changes in their environment, as they are highly sensitive to pollution, habitat destruction, and climate change. In recent years, there has been growing concern about the decline of amphibian populations around the world. Many species are now listed as endangered or threatened, highlighting the need for conservation efforts to protect these fascinating animals and their habitats.
Child Hierarchical Categories
[African Clawed Frog]
[Albanerpetontidae]
[Anura]
[Archelon Ischyros]
[Australian Lungfish]
[Batrachia]
[Branchiosauridae]
[Caudata]
[Dendrobatidae]
[Diadectomorpha]
[Dipnoi]
[Heloderma Suspectum]
[Ichthyostega]
[Koolasuchus Cleelandi]
[Lepidosireniformes]
[Leptosuchomorphia]
[Limnodynastes Dumerilii]
[Microhyla Ornata]
[Necturus Maculosus]
[Neoteny]
[Pipa Pipa]
[Proterogyrinus Scheveningenensis]
[ProtoSalamanders]
[RedEyed Tree Frog]
[Temnospondyls]
[Urodela]
External Links
- [Amphibians.org] Amphibian Survival Alliance
- [iucn-amphibians.org] IUCN SSC Amphibian Specialist Group – The ASG provides the scientific foundation to inform effective amphibian conservation action around the world
- [amphibians.ws] Amphibians -
- [terrafile.eu] Marketplace for reptiles and amphibians
- [AmphibianLife.com] Amphibian Life - The Ultimate Guide to Amphibians
- [AmphibianDisease.org] Amphibian Disease Portal
- [AmphibianRescue.org] Amphibian Rescue and Conservation Project | A project to save Panama's incredible frogs and salamanders
- [AmphibianCare.com] Amphibian Care
- [Frogs.org] Amphibian Conservation Alliance
- [Herpetology.com] Herpetology Network Reptile / Amphibian Resources, Books and Links
- [reptilesweb.com] World Popular Reptiles and Amphibian Care