69 Wild, Weird Facts That Will Blow Your Mind

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43. Bird poop is green because it contains the bird’s urine which is also green.

44. A second is called a second because it is the 2nd division of the hour by 60, the 1st division being a minute.

45. Pigeons, outside of their usual “cooing”, have two long-range calls:

A three-note “wu-wooo wu”, that is a bar of 5/4 (five beats per measure), and

A five-note “wooo wooo wu-wooo wu-“, that is a bar of 17/8 (eight and a half beats per measure).