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Invertebrates

Zoologger: The chilly secret to monarch migration

Life

Zoologger: The chilly secret to monarch migration

The northward migration of monarch butterflies is triggered by a spell in cool conditions – so the vast migration could get smaller if climate warms

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Zoologger: How to eat without a digestive system

Life

Zoologger: How to eat without a digestive system

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Zoologger: The first solar-powered vertebrate

Life

Zoologger: The first solar-powered vertebrate

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Zoologger: She's mine! Wasps tag virgins for future sex

Life

Zoologger: She's mine! Wasps tag virgins for future sex

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Zoologger: The toughest eggs in the world

Life

Zoologger: The toughest eggs in the world

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Zoologger: The beetle with a handle on its back

Life

Zoologger: The beetle with a handle on its back

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Zoologger: The leggiest animal in the world

Life

Zoologger: The leggiest animal in the world

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Zoologger: Humble bee nests in horse dung

Life

Zoologger: Humble bee nests in horse dung

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Zoologger: Spinster queens become commoners

Life

Zoologger: Spinster queens become commoners

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Slugs benefit from getting stabbed while having sex

Life

Slugs benefit from getting stabbed while having sex

Hermaphroditic sea slugs mate more than they need to even though it involves getting stabbed – and it seems to do them some good

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Life

Zoologger: Wood-eating shrimp from the ocean's depths

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Life

Zoologger: Attack of the giraffe assassin bug

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Life

Zoologger: Shrimp wields strongest club in the world

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Life

Zoologger: Infrared-sensing beetles born in fire

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