Ukiah Valley Trail Group

Dichotomous Key to Little Brown Birds of Mendocino County

Oh those bothersomely, befuddling baby brown birds! So devilishly difficult to differentiate! They all look alike! Well take a moment to practice with our dichotomous key to the Little Brown (Male) Birds of Mendocino County.
Bird #1
Bird #2
Bird # 3
Bird # 4
Bird #5
Bird #6
Bird # 7
Bird #8
Bird #9
Bird #10
Bird #11
Bird #12
Bird # 13
Bird # 14
Bird #15
Bird # 16
Bird #
Bird 17
Bird #18
Bird #19
Bird # 20

Answer Key

  1. Rufous Crowned Sparrow
  2. Fox Sparrow (Sooty)
  3. Fox Sparrow (Slate Colored)
  4. White Throated Sparrow
  5. Grasshopper Sparrow
  6. Chipping Sparrow
  7. Wrentit
  8. Lark Sparrow
  9. Golden Crowned Sparrow
  10. Savannah Sparrow
  11. California Towhee
  12. Vesper Sparrow
  13. House Sparrow
  14. American Pipit
  15. White Crowned Sparrow
  16. Pine Siskin
  17. Swamp Sparrow
  18. Lincoln’s Sparrow
  19. Pacific Wren
  20. Brown Creeper