Press releases
2022 and older

Europese Boomkikker (Hyla arborea) - Jelger Herder
December 1st, 2022

Tree frogs exposed

Biology students from Leiden University have discovered two tree frog species in the Dutch coastal dunes that do not occur there naturally. A special DNA technique revealed these potentially harmful tree frogs. Remarkable, but these are not the only exotic…
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Our collection holds millions of objects that have been collected worldwide over the course of many centuries.

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Dubois skull cap
Butterflies in the Naturalis collection

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Naturalis' T. rex

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