Kip Evans Photography

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  • Lace Lichen, Oak woodland
    lace Lichen-Kip-2389.jpg
  • Lichen, Sierra Mountains California.
    Lichen-Kip-1669.jpg
  • Crustose lichens on a rock in the Mojave Desert, California.
    Crustose Lichens-Kip-2917.jpg
  • Alpin Meadow in Upper Evolution Basin
    Alpine Meadow-1536.jpg
  • A female mountain bluebird (Sialla currucoides) on a rock covered with lichens. Only the femail builds the nest. The male sometimes acts as if he is helping, but he either brings no nest material or he drops it on the way (All About Birds.com)
    Mountain Bluebird-Kip-3123.jpg
  • This mature tadpole is a member of the mountain yellow-legged frog complex which is comprised of two species: Rana muscosa and Rana sierrae. Both species are highly aquatic and are always found within a meter or two from the edge of water. Rana sierrae is yellowish or reddish brown from above, with black or brown spots or lichen-like markings. Toe tips are usually dusky. Underside of hind legs and sometimes entire belly is yellow or slightly orange, usually more opaque than in foothill yellow-legged frog, (Rana boylii). Yellow often extends forward to level of forelimbs. Dorsolateral folds present but frequently indistinct. The tadpoles are black or dark brown and are large (total length often exceeds 10 cm) and metamorphose in 1-4 years depending on the elevation. Rana sierrae differs from Rana muscosa in having relatively shorter legs. Rana sierrae have declined dramatically despite the fact that most of the habitat is protected in National Parks and National Forest lands. A study that compares recent surveys (1995-2005) to historical localities (1899-1994; specimens from the Museum of Vertebrate Zoology and the California Academy of Sciences) found that 92.5% of populations have gone extinct (11 remaining out of 146 sites; Vredenburg, et al., 2007) (Vance Vredenburg (vancev AT berkeley.edu),
    Sierra Nevada Yellow-legged Tadpole-...jpg