Mésalliance - Jan M. Kaczmarek
Jan M. Kaczmarek
Pelophylax lessonae & Pelophylax ridibundus
The females of the Marsh Frog (Pelophylax ridibundus) are the largest frogs native to Europe (up to 17 cm long). In the amphibian world, the larger the female, the more eggs she can lay – and that's what the males are looking for. Small (up to 8 cm long) males of the Pool Frog (Pelophylax lessonae) find large females of the Marsh Frog much more attractive than the females of their own kind. They try to mate with them, even though the females are so big that they might easily eat them. If the male manages to fertilize the spawn, the offspring of this suprising relationship will belong to a hybrid species – the Edible Frog (Pelophylax kl. esculentus).
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