Wednesday, December 3, 2008

#3 Blackburnian Warbler vs. #14 Chestnut-collared Longspur

#3 – Blackburnian Warbler

  • The Blackburnian Warbler only form flocks during migration and are solitary on their wintering grounds.
  • The Blackburnian Warbler is the only North American warbler with an orange throat.
  • While Blackburnian Warblers are typically insectivores, they will eat berries on their wintering grounds.
  • Due to the height of their nests, there is little know about their breeding ecology.
  • Blackburnian Warblers are depended on spruce trees on their breeding grounds.

#14 - Chestnut-collared Longspur

  • A group of longspurs is known as a “drive.”
  • Chestnut-collared Longspurs prefer to nest in areas that have been recently grazed or mowed.
  • Longspur refers to the elongated claw of the hind tow.
  • Chestnut-collared Longspur numbers have decreased as native prairie habitat has been destroyed.
  • Chestnut-collared Longspurs nest twice during their breeding season from the beginning of May to the end of July.

1 comment:

dAwN said...

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