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Featured Books
    All Featured Books
    Book of the Month Series
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    Fossil Stories
    Garden Stories
    Monsters Are Real
    Page Frights
    Her Natural History
    Earth Optimism 2020
Tech Blog
Visit BHL
  • Home
  • News
  • Featured Books
    • All Featured Books
    • Book of the Month Series
    • BHL at 20
  • User Stories
  • Campaigns
    • Fossil Stories
    • Garden Stories
    • Monsters Are Real
    • Page Frights
    • Her Natural History
    • Earth Optimism 2020
  • Tech Blog
  • Visit BHL
Biodiversity Heritage Library - Program news and collection highlights from BHL
Blog Reel

Conservation 101: Least Concern

View Full Size ImageAs part of our on-going series related to the International Year of Biodiversity, we’ll take a closer look at conservation status and occasionally highlight species in each rank. The International Union for the Conservation of Nature and Natural Resources is the primary global organization responsible for risk assessment organizes threat in 8 categories–Extinct, Extinct in the Wild, Critically Endangered, Endangered, Vulnerable, Conservation Dependent, near Threatened, and Least Concerned.

Pictured above, we have the Oklahoma State bird, the scissor-tailed flycatcher, or Tyrannus forficatus, first described in 1789. They aggressively defend their territories against intrusions by conspecifics and in the spring, a flamboyant performance with their long scissor-like tail, is part of the courtship dance. Such self-assertive behavior has served this bird well; it’s squarely situated in the Least Concern ranking for threat of extinction, so generations to come can enjoy this fascinating species.
Enjoy. 🙂

April 14, 2010by jwinberry

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The Biodiversity Heritage Library (BHL) is the world’s largest open access digital library for biodiversity literature and archives. BHL operates as a worldwide consortium of natural history, botanical, research, and national libraries working together to digitize the natural history literature held in their collections and make it freely available for open access as part of a global “biodiversity community.”

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