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Latest Smithsonian Migratory Bird Center Stories

350359cdf753279674046b0fd4c9b5571
2011-03-31 08:31:15

Instinct and the annual increase of daylight hours have long been thought to be the triggers for birds to begin their spring migration.


Word of the Day
quilisma
  • In medieval musical notation, a sign or neume denoting a shake or trill.
The word 'quilisma' comes from a Greek word meaning 'a roll'.