Frog of the Week

European Common Frog (Rana temporaria)

photo by  Bill and Sam Lionheart

least concern
Common Name: European Common Frog,  European Common Brown Frog,  and just Common Frog
Scientific Name: Rana temporaria
Family: Ranidae – True Frog Family
Locations: Austria, Belarus, Belgium, Bulgaria, Czech Republic, Denmark, Estonia, Finland, France, Germany, Hungary, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Macedonia, Montenegro, Netherlands, Norway, Poland, Romania, Russia, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Ukraine, and the United Kingdom
Size: 2.4 to 3.5 inches (6 to 9 cm)

The Common Frog is found throughout Europe including close to the Arctic Circle. They are a very cold tolerant species and are active throughout most of the year. They hibernate in the winter starting in October and ending in February or March. They hibernate underwater and sometimes form underwater hibernacula with thousands of other frogs.

The frogs awake from their hibernation and they are ready to mate. Mating occurs from March to June but in most places, it occurs in April. The males will start to develop a blue throat to attract females. The eggs are laid in shallow bodies of water such as ponds, lakes, and canals.

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