#national geographic

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Selasphorus rufus - Rufous Hummingbird [male]  “A hummingbird’s brilliant throat color is not Selasphorus rufus - Rufous Hummingbird [male]  “A hummingbird’s brilliant throat color is not Selasphorus rufus - Rufous Hummingbird [male]  “A hummingbird’s brilliant throat color is not

Selasphorus rufus - Rufous Hummingbird [male] 

“A hummingbird’s brilliant throat color is not caused by feather pigmentation, but rather by iridescence in the arrangement of the feathers and the influence of light level, moisture and other factors." More facts here.


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Hylocomium splendens - Glittering Wood Moss, Stair-Step Moss, Mountain Fern Moss

Hylocomium splendens - Glittering Wood Moss, Stair-Step Moss, Mountain Fern Moss


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Mycena leptochephala - This species often begins pale brown, however it turns pale grey as the fruit

Mycena leptochephala - This species often begins pale brown, however it turns pale grey as the fruiting body matures and the pruinose layer is shed [see previous post].  


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Peltigera polydactyla - May not be a valid taxon. Has been used (species native to india) in indian

Peltigera polydactyla - May not be a valid taxon. Has been used (species native to india) in indian folk-medicine as a ground paste that was applied to wounds to stop bleeding. It also has antiseptic properties. Species in india contain the compounds tenuionin and dolichorrizin, the chemical properties of which are still largely unknown (Saklani and Upreti 1992). North american species may not contain these ingredients.

ie: Do not try this at home. 


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Life hanging by a slender rope, Frank Craighead rappels down the rock face of Mount St. John. Below

Life hanging by a slender rope, Frank Craighead rappels down the rock face of Mount St. John. Below lie Leigh Lake (foreground) and Jackson Lake. Guided parties of park visitors swarm up the Teton’s major peaks every summer. The Craigheads have scaled them all. 

America’s Wonderlands | National Geographic ©1959


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