The bird that eats itself to survive: During its epic migration it consumes its internal organs – including its kidneys – which then regenerate

The bird that eats itself to survive: During its epic migration it consumes its internal organs – including its kidneys – which then regenerate

It takes guts to migrate long distances – literally, if you’re a bar-tailed godwit Limosa lapponica baueri. This crow-sized shorebird burns not just flab, but even some innards to fuel its marathon migrations. Each autumn, the godwit flies from its breeding grounds in Alaska and Siberia to Australia or New Zealand to spend the winter. […]

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