The Rainforest: Millipedes, snails and spiders


Invertebrates at night


"Almost finished a new course on "life in the rainforest"! Here is a sample lesson on some nocturnal critters".

Many rainforest invertebrates are nocturnal and remain well hidden during the day. In this lesson, and the video above, we check the nightlife of some of the invertebrates associated with rainforest trees.

Many insects are nocturnal including a number of spiders.

Tree trunks in the rainforest provide a great habitat for invertebrates with their bark providing structure and sources of food including algae and bacteria which can be exploited by invertebrates.

If you select a few trees during the daytime and investigate the surface of their trunks you may not find any signs of life on the bark. If you return to the same tree at night, you may observe nocturnal species including millipedes and centipedes as well as snails and insects moving over the bark. If you look into the branches, you may also observe web weaving spiders setting their...

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