Hermit Crab Eviction

Getting evicted from your house isn't something that happens only to humans. Sophie Mowles and colleagues filmed one such eviction event in hermit crabs:

To evict a fellow crab from a coveted shell, the attacker will rap on the outside of it. This can either result in an eviction, and the attacker can move into its new home, or the resident can hold tight until the attacker gives up. The current shell occupant might also emerge and fight back, defending its shell against the perpetrator

Link [Flash video clip]

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