Kookaburras are born with a hook in their upper beak which is specifically for murdering their siblings.

Kookaburra childhood no laughing matter

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The Australian Laughing Kookaburra may not be such a cheerful bird after all with new research showing sibling rivalry often ends in the murder of a younger brother or sister.

Dr Sarah Legge from the Department of Botany and Zoology at the Australian National University has found that nearly all Laughing Kookaburras have killed or starved a younger sibling before leaving the nest – and this behaviour was condoned by the parents.

“In one nest we looked at, the youngest chick was killed by aggression from its siblings. Upon her return, the mother picked up the body, drew back her head and popped it in her mouth,” said Dr Legge.

Kookaburras usually lay three eggs which hatch at different times, and the youngest … Continue Reading (2 minute read)

5 thoughts on “Kookaburras are born with a hook in their upper beak which is specifically for murdering their siblings.”

  1. otato1

    Fun fact: a lot of the audio used in jungle movies that people think are monkeys are actually kookaburras

  2. sh0tgunben

    ‘Am I my brother’s keeper’, says KookabCain

  3. raptorboi

    Kookaburras don’t give a f**k.

    They’ll happily sit in a tree, being swooped by other birds, and barely move. If they get annoyed, they peck at the birds when they get close.

    They pick up snakes and eat them.

    Very chill birds.

  4. Bolostroco

    It is weird that something like this makes so much evolutive sense. The ones with the most lethal beaks are more likely to grow up and have their own little fuckers.

  5. StuRap

    “… Upon her return, the mother picked up the body, drew back her head and popped it in her mouth,”

    Are we just gonna ignore this lil nugget tho?

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