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2. Hypoxia in fish - Wikipedia

   en.wikipedia.org/wiki/Hypoxia_in_fish

   A fish's hypoxia tolerance can be represented in different ways. A commonly used representation is the critical O 2 tension (P crit), which is the lowest water O 2 tension (P O 2) at which a fish can maintain a stable O 2 consumption rate (M O 2). [2] A fish with a lower P crit is therefore thought to be more hypoxia-tolerant than a fish with a ...

3. Vortex Optics - Wikipedia

   en.wikipedia.org/wiki/Vortex_Optics

   Vortex Optics is a DBA of Sheltered Wings, Inc., which was incorporated in Wisconsin in 1989. Sheltered Wings, Inc. DBA Vortex Optics began in 2002. In 2022 after extensive research, testing and reviews Vortex became an official supplier and contractor to the American Military as the U.S. Army selected Vortex‘s XM-157 fire control system for its Next Generation Squad Weapon program.

4. Anti-predator adaptation - Wikipedia

   en.wikipedia.org/wiki/Anti-predator_adaptation

   These fish have a sharp scalpel-like spine on the front of each of their tail fins, able to inflict deep wounds. The area around the spines is often brightly colored to advertise the defensive capability; [36] predators often avoid the Sohal surgeonfish. [37] Defensive spines may be detachable, barbed or poisonous.

5. Sustainable hunting - Wikipedia

   en.wikipedia.org/wiki/Sustainable_hunting

   Sustainability and conservation have been a relatively new focus for the world as environmental changes press forward. [12] Current examples of sustainable hunting and conservation development include collecting more data in a methodical manner to better study policy's effect on populations, as well as the World Wide Fund for Nature measuring the effect of sustainable hunting in Namibia [1 ...

6. Persistence hunting - Wikipedia

   en.wikipedia.org/wiki/Persistence_hunting

   Persistence hunting can be done by walking, but with a 30 to 74% lower rate of success than by running or intermittent running. Furthermore, while needing 10 to 30% less energy, it takes twice as long. Walking down prey, however, might have arisen in Homo erectus, preceding endurance running. [12]

7. Surplus killing - Wikipedia

   en.wikipedia.org/wiki/Surplus_killing

   A stoat surplus killing chipmunks (Ernest Thompson Seton, 1909) Multiple sheep killed by a cougar. Surplus killing, also known as excessive killing, henhouse syndrome, [1] [2] or overkill, [3] is a common behavior exhibited by predators, in which they kill more prey than they can immediately eat and then they either cache or abandon the remainder.