Images Dated 31st October 2008

Young male elk with horns eating grass, National Bison Range, Charlo, Montana, USA

The elk, or wapiti (Cervus canadensis), is one of the largest species within the deer family, Cervidae, in the world, and one of the largest land mammals in North America and Eastern Asia. Elk range in forest and forest-edge habitat, feeding on grasses, plants, leaves, and bark. Male elk have large antlers which are shed each year. Males also engage in ritualized mating behaviors during the rut, including posturing, antler wrestling (sparring), and bugling, a loud series of vocalizations that establishes dominance over other males and attracts females

© William Perry / DanitaDelimont.com

Illustration of cross section showing how early stage embryo of Flatworm (Phylum Platyhelminthes) differentiates into three layers of cell tissue, ectoderm, mesoderm and endoderm

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USA, Utah, Zion National Park. Waterfall with cottonwood trees along Riverside Walk in The Narrows

USA, Utah, Zion National Park. Waterfall with cottonwood trees along Riverside Walk in The Narrows. Credit as: Nancy Rotenberg / Jaynes Gallery / DanitaDelimont

© Nancy Rotenberg / Jaynes Gallery / DanitaDelimont.com

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