A frog is any member of a largely carnivorous and diverse group of tailless, short-bodied amphibians that belong to the order Anura which literally means without tail in Ancient Greek. The oldest fossil called "proto-frog" was found in the early Triassic of Madagascar, but molecular clock dating suggests their origins may extend further back to the Permian, which was 265 million years ago. Ranging from the tropics to subarctic regions, frogs are widely distributed, but the greatest concentration of diversity of the species is in tropical rainforests. There are over 6,300 recorded species that account for about 88% of extant amphibian species. They also belong to one of the five most diverse vertebrate orders. Warty frog species tend to be called toads, however, the distinction between frogs and toads is informal and not from terminology or evolutionary history. An adult frog has protruding eyes, anteriorly-attached tongue, a stout body with limbs folded underneath and no tail (except in tailed frogs). Frogs have glandular skin which have secretions that range from distasteful to toxic. Their skin varies in colour from grey, green and well-camouflaged dappled brown to vivid patterns of bright red or yellow and black to exhibit toxicity and ward off predators. Adult frogs live on dry land or in fresh water and some species are adapted for living underground or in trees.

In this sub category you can download free PNG images: Frog Animals. In this category "Frog" we have 101 free PNG images with transparent background.

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  The Pepe Frog Download HD
  Format: PNG
  Resolution: 840x699
  Size: 217.5KB
  Downloads: 65
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  The Pepe Frog PNG Free Photo
  Format: PNG
  Resolution: 654x527
  Size: 172.3KB
  Downloads: 50
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  The Pepe Frog Sad Free HD Image
  Format: PNG
  Resolution: 680x512
  Size: 205.8KB
  Downloads: 59
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  The Pepe Frog Sad Free Photo
  Format: PNG
  Resolution: 920x679
  Size: 278.0KB
  Downloads: 75
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  The Pepe Frog Sad Download HQ
  Format: PNG
  Resolution: 900x900
  Size: 154.4KB
  Downloads: 51
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  Picture The Pepe Frog Sad
  Format: PNG
  Resolution: 2894x2300
  Size: 162.3KB
  Downloads: 97
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  The Pepe Frog Sad Free HQ Image
  Format: PNG
  Resolution: 578x537
  Size: 218.1KB
  Downloads: 61
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  Images The Pepe Frog Sad
  Format: PNG
  Resolution: 800x742
  Size: 242.8KB
  Downloads: 45
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  The Pepe Frog Sad Download HQ
  Format: PNG
  Resolution: 500x565
  Size: 185.3KB
  Downloads: 70
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  Keroppi Frog Free HQ Image
  Format: PNG
  Resolution: 842x730
  Size: 219.5KB
  Downloads: 72
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  Keroppi Frog PNG Image High Quality
  Format: PNG
  Resolution: 860x507
  Size: 238.4KB
  Downloads: 91
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  Keroppi Frog Photos Free Photo
  Format: PNG
  Resolution: 840x429
  Size: 160.1KB
  Downloads: 47
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  Amphibian Frog PNG File HD
  Format: PNG
  Resolution: 2558x1157
  Size: 711.7KB
  Downloads: 78
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  Amphibian Frog Download Free Image
  Format: PNG
  Resolution: 512x512
  Size: 52.5KB
  Downloads: 81
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  Photos Amphibian Frog Free HD Image
  Format: PNG
  Resolution: 1920x1554
  Size: 397.1KB
  Downloads: 47
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  Amphibian Frog PNG Image High Quality
  Format: PNG
  Resolution: 2010x1394
  Size: 3.4MB
  Downloads: 57
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  Picture Amphibian Frog PNG Image High Quality
  Format: PNG
  Resolution: 2044x1323
  Size: 2.5MB
  Downloads: 44
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  Frog Png Image
  Format: PNG
  Resolution: 1904x1448
  Size: 919.0KB
  Downloads: 863
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  Frog Png Image
  Format: PNG
  Resolution: 1918x1726
  Size: 1019.6KB
  Downloads: 753
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  Frog Png Image
  Format: PNG
  Resolution: 1614x2028
  Size: 973.3KB
  Downloads: 726

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