The magpie can recognise itself in a mirror. Very few birds have ever passed this famous test.

Crows and Clever Birds · day 2 of 7
It is one of the few birds known to recognise itself in a mirror.
The nest held 1500 spikes, used to keep other birds away.
They cut food into portions that suit the size of their young.
The young's sharp call resembles a small dog's bark.
The old folk belief has been questioned by recent research.
Two minutes a day, a new wild animal. Free on iPhone, Android and the web.
Feravox is a free wildlife app: 4,400+ species with real recorded sounds, 11 nature games and a free Daily 5, 1v1 quiz duels, conservation wins, and a safe Kids mode.