magpie

Concise Oxford English Dictionary © 2008 Oxford University Press:
magpie/ˈmaɡpʌɪ/

▶noun

• 1 a long-tailed bird of the crow family, typically with black-and-white plumage and a noisy call. [Pica pica and other species.]

  ■ a black-and-white Australian butcher-bird with a musical call.

  [Gymnorhina tibicen.]

• 2 a person who obsessively collects things.

• 3 the division of a circular target next to the outer one, or a shot which strikes this.

– origin C16: prob. shortening of dial. maggot the pie, maggoty-pie, from Magot (ME familiar form of the given name Marguerite) + pie2.