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a weekend of Dutch secrets

PostPosted: Thu May 28, 2015 9:31 am
by Jeroen Speybroeck
The Netherlands. Not exactly the richest country in Europe herpwise. "Fortunately", some people introduced a bunch of stuff.

Here's what we found.

Triturus cristatus
Triturus marmoratus *
Ichthyosaura alpestris *
Lissotriton vulgaris
Pelobates fuscus
Bufo bufo
Hyla arborea *
Rana temporaria
Rana arvalis
Pelophylax ridibundus
Pelophylax lessonae
Pelophylax kl. esculentus
Podarcis muralis *
Zootoca vivipara
Anguis fragilis
Elaphe schrenckii *
Natrix natrix *+
Vipera berus
(*: non-native population, *+: native and non-native)

With some more "luck", we could have even added non-native Bombina variegata, Alytes obstetricans and Rana dalmatina.

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a little who-is-who of some NW European herpers, starring GJ Verspui & his wife Cynthia, Bobby Bok, Laura Tiemann, myself, Wouter Beukema, Paul Lambourne, Trevor Willis, and Birgit Oefinger - (c) Peter Oefinger

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boys and flowers. and a russian rat snake.

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new evidence supports the hypothesis that the sirtaki was in fact invented by Dutch herpers looking for Rana arvalis

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Re: a weekend of Dutch secrets

PostPosted: Thu May 28, 2015 9:33 am
by Jeroen Speybroeck
I invite my companions to add more.

A question for all - ever seen such a checkered marmoratus belly?

Re: a weekend of Dutch secrets

PostPosted: Thu May 28, 2015 9:51 am
by Mario Schweiger
nice pictures :)

Hyla arborea is not native to the Netherlands?
Triturus marmoratus: I now specimens/populations with uniform black bellies (Miranda, Bejar, Spain) and with creme coloured bellies (S France). But never seen such marbled ones.

Mario

Re: a weekend of Dutch secrets

PostPosted: Thu May 28, 2015 10:02 am
by Jeroen Speybroeck
Mario Schweiger wrote:Hyla arborea is not native to the Netherlands?

Sure it is. Muralis and alpestris too. Just not to the area where we were.

Re: a weekend of Dutch secrets

PostPosted: Thu May 28, 2015 10:11 am
by Robin Duborget
Wonderful Pelobates fuscus !

Re: a weekend of Dutch secrets

PostPosted: Thu May 28, 2015 1:21 pm
by RĂ©mon ter Harmsel
ah yes, the internationally famed/shamed Dutch zoo of herpetofauna! Stunning marmoratus none the less...

Re: a weekend of Dutch secrets

PostPosted: Thu May 28, 2015 6:34 pm
by Niklas Ban
The Leucorrhinia dubia is a dream! For sure the herps are nice too, seems you had a nice time.

Re: a weekend of Dutch secrets

PostPosted: Thu May 28, 2015 8:18 pm
by Laura Bok
Here are some more pictures revealing Dutch secrets:
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Russian Ratsnake (Elaphe schrenckii) juvenile

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Re: a weekend of Dutch secrets

PostPosted: Thu May 28, 2015 8:25 pm
by Laura Bok
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One cute Spadefoot Toad (Pelobates fuscus)

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Re: a weekend of Dutch secrets

PostPosted: Thu May 28, 2015 8:31 pm
by Laura Bok
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Marbled Newt (Triturus marmoratus) - these are the same individuals Jeroen already showed, but they are too beautiful not to look at them again! And again...