Search results
Results from the WOW.Com Content Network
Outcrop of the Devonian Catskill Formation with a well-displayed thrust fault, located about 3 miles west of the village of Juniata Crossing on the north side of Route 30, Bedford County, Pennsylvania. Fossil coral of the Devonian Keyser Formation in the New Enterprise New Paris Quarry, Chestnut Ridge Bedford County, Pennsylvania.
As the name implies, the streams of this area have cut deep valleys with steep sided-slopes on the surrounding ridges. Some of the gorges are at least 1,000 feet (305 m) deep. Much of the area was forested at the end of the 19th century, and much of the area is owned by the Pennsylvania Bureau of Forestry.
In ecology, crypsis is the ability of an animal or a plant [1] to avoid observation or detection by other animals. It may be part of a predation strategy or an antipredator adaptation . Methods include camouflage , nocturnality , subterranean lifestyle and mimicry .
Wykoff Run in Quehanna Wild Area, the largest such protected area in Pennsylvania. The Commonwealth of Pennsylvania in the United States includes 18 wild areas in its State Forest system. [1] They are managed by the Pennsylvania Bureau of Forestry, a division of the Pennsylvania Department of Conservation and Natural Resources.
Underwater camouflage is the set of methods of achieving crypsis—avoidance of observation—that allows otherwise visible aquatic organisms to remain unnoticed by other organisms such as predators or prey. Camouflage in large bodies of water differs markedly from camouflage on land. The environment is essentially the same on all sides.
(The Center Square) – Thousands of snow geese migrating across Pennsylvania have authorities working overtime to mitigate the recent outbreak of bird flu and ensure public safety. The state Game ...
This adaptation allows them to hide within their environment because of a resemblance to the general background or an inedible object. [2] When an insect looks like an inedible or inconsequential object in the environment that is of no interest to a predator, such as leaves and twigs, it is said to display mimesis , a form of crypsis .
The coloration of the Papuan frogmouth Podargus papuensis, its outline disrupted by its plumage, its eye concealed in a stripe, is an effective anti-predator adaptation. Disruptive coloration (also known as disruptive camouflage or disruptive patterning ) is a form of camouflage that works by breaking up the outlines of an animal, soldier or ...