Amphibians of Meijendel nature reserve


Young tree frog, Meijendel, 6 September 2014

This is a photo of a young tree frog on the shoe of a natural history enthusiast in Meijendel nature reserve, north of The Hague in the Netherlands, on 6 September 2014. If you read on, then you will find out how that frog landed there.

That day, we went to a part of Meijendel, usually not open to the public. It is known as Kikkervalleien, frogs’ valleys, because of many amphibians living there.

In the Kikkervalleien, original wet sand dune valley situations have been restored. This means many small lakes with shallow water. Good conditions for amphibians, as there are often no predatory fish in the lakelets.

Traditionally, there used to be six amphibian species in nature reserve Meijendel.

Four of those are toads and frogs:edible frog, common frog, Eurasian toad, and natterjack toad.

Also two newt species, the common newt and the great crested newt, are traditional Meijendel denizens.

About 2007, two other species joined them.

They are the common Eurasian spadefoot toad; and the common tree frog.

The species which we saw most on 6 September were natterjack toads.

All still very small; most smaller than half a centimeter.

Natterjack toad, 6 September 2014

No matter how young natterjack toads are, they already have the characteristic stripe down their backs.

Common frog, 6 September 2014

The second most numerous species on 6 September were common frogs. Also mostly still young, but a bit bigger than the natterjack toads: over 1 centimeter. We also saw an adult.

Young tree frog on shoe, Meijendel, 6 September 2014

Then, the young common tree frog. It jumped around on the sand, till it jumped on the shoe. Then, it jumped higher, to a fold in trousers. Finally, it jumped off, to continue its journey in the dunes.

Young tree frog still on shoe, Meijendel, 6 September 2014

At the lakelet near the exit of the Kikkervalleien area, where the natterjack toad photo is from, there were also young common frogs. And small Eurasian toads.

And a young common newt.

Stay tuned, as there will be more posts on this blog about non-amphibian life forms of Meijendel, like birds, fungi and plants!

31 thoughts on “Amphibians of Meijendel nature reserve

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