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It is represented by a small number of specimens found in an early strata of the Texas red beds, specifically the Arroyo Formation of the Clear Fork Group. This species can be differentiated from D. magnicornis by the much shorter and blunter snout compared to the length of the skull as a whole. In addition, the horns are more elongated, the ...
Group of muskoxen in defensive formation, horns ready, and highly alert. In communal defence, prey groups actively defend themselves by grouping together, and sometimes by attacking or mobbing a predator, rather than allowing themselves to be passive victims of predation. Mobbing is the harassing of a predator by many prey animals. Mobbing is ...
These societies change frequently in their size and composition, making up a permanent social group called the "parent group". Permanent social networks consist of all individual members of a faunal community and often varies to track changes in their environment and based on individual animal dynamics. In a fission–fusion society, the main ...
A chameleon launching its tongue at its prey. Chameleons, frogs and some lungless salamanders have tongues that act like a tethered projectile. In frogs, the tongue is attached at the front of the mouth and rotates about this attachment as it flips out (thus the top of the tongue at rest becomes the bottom when extended).
Human aggression can be classified into direct and indirect aggression; while the former is characterized by physical or verbal behavior intended to cause harm to someone, the latter is characterized by behavior intended to harm the social relations of an individual or group. [3] [4] [5]
Despite the New Orleans attack, experts don’t see an elevated threat from ISIS — instead, it’s a steady threat that never left, Richard Hall writes.
The attacker chooses its flight path so as to remain on the line between the target and some landmark point. The target therefore does not see the attacker move from the landmark point. The only visible evidence that the attacker is moving is its looming, the change in size as the attacker approaches.
Strikes are the key focus of several sports and arts, including boxing, savate, karate, Muay Lao, taekwondo and wing chun.Some martial arts also use the fingertips, wrists, forearms, shoulders, back and hips to strike an opponent as well as the more conventional fists, palms, elbows, knees and feet that are common in combat sports.