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Crepuscular, a classification of animals that are active primarily during twilight, making them similar to nocturnal animals. Diurnality, plant or animal behavior characterized by activity during the day and sleeping at night. Cathemeral, a classification of organisms with sporadic and random intervals of activity during the day or night.
Its sense accordingly differs from diurnal and nocturnal behavior, which respectively peak during hours of daytime and night. The distinction is not absolute, because crepuscular animals may also be active on a bright moonlit night or on a dull day. Some animals casually described as nocturnal are in fact crepuscular. [2]
In the western United States and Canada, the name mountain lion is commonly used, first seen in writing in 1858. [13] The name catamount, a shortening of name "cat of the mountain", has also been in English use for the cougar and other wild cats since at least 1664. [14] "Panther" is often used synonymously with cougar, puma or mountain lion. [15]
The mountain lion was spotted in the backyard of a house in western Frisco on Nov. 1, Texas Wildlife Department said.
A new study found mountain lions in the L.A. area are shifting to a later schedule to avoid people, a hopeful coexistence strategy that may have downsides. L.A.'s mountain lions become more ...
In Texas, mountain lions are primarily found in the Trans-Pecos, the brushlands of South Texas and the western Hill Country. For more information, visit the mountain lion or fur-bearing animal ...
Nocturnal luminosity has been found to positively correlate with the amount of nocturnal activity and negatively correlate with diurnal activity. In other words, an animal's activity distribution may be somewhat dependent on the presence of the lunar disc and the fraction of illuminated moon in relation to sunset and sunrise times.
These rare big cat sightings are sparking concern and awe in neighborhoods.