Auke-Florian Hiemstra and a magpie nest built out of anti-nesting spikes
July 10th, 2023

Rebellious birds make nests out of anti-bird pins

Biologists present the latest innovation in nest building: bird nests made from anti-nesting spikes. Researchers from Naturalis Biodiversity Center and the Natural History Museum Rotterdam collected these special nests for the first time and described this…
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A 9 year old boy looking at a crystal that's much larger than he is
May 26th, 2023

Colossal crystal for Naturalis

A gigantic rock crystal of approximately 1750 kilos can be seen in Naturalis from Saturday. The giant crystallized quartz cluster is on display in the “Earth” room. A cluster of rock crystal measuring 2 by 1 by 1.5 meters and weighing approximately 1750…
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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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