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Sirenians grow to between 2.5 and 4 metres (8.2 and 13.1 feet) in length and 1,500 kilograms (3,300 pounds) in weight. The recently extinct Steller's sea cow was the largest known sirenian to have lived, reaching lengths of 10 metres (33 feet) and weights of 5 to 10 tonnes (5.5 to 11.0 short tons).
In response to this proposal and in order to illustrate the arbitrariness and cultural specificity of any attempt to categorize the world, Borges describes this example of an alternate taxonomy, supposedly taken from an ancient Chinese encyclopaedia entitled Celestial Emporium of Benevolent Knowledge. The list divides all animals into 14 ...
It is possible for high compensatory growth rates to result in overcompensation, where the organism exceeds normal weight and often has excessive fat deposition. [9] An organism can recover to normal weight without additional time. [1] Sometimes when the nutrient restriction is severe, the growth period is extended to reach the normal weight. [1]
A courtship display is a set of display behaviors in which an animal, usually a male, attempts to attract a mate; the mate exercises choice, so sexual selection acts on the display. These behaviors often include ritualized movement (" dances "), vocalizations , mechanical sound production, or displays of beauty, strength, or agonistic ability .
Since a walrus's hide usually accounts for about 20% of its body weight, the total body mass of these two giants is estimated to have been at least 2,300 kg (5,000 lb). [23] The Atlantic subspecies weighs about 10–20% less than the Pacific subspecies. [5] Male Atlantic walrus weigh an average of 900 kg (2,000 lb). [4]
The carnivore diet, created by Dr. Shawn Baker, revolves around animal products — especially meat, eggs and a little dairy — as its only component. Following the carnivore diet means no ...
[13] [15] Castoroides is estimated to have had a length of 1.9–2.2 m (6.2–7.2 ft) and a weight of 90–125 kg (198–276 lb). [16] Fossils of one genus in Castoroidinae, Dipoides , have been found near piles of chewed wood, [ 13 ] though Dipoides appears to have been an inferior woodcutter compared to Castor .
Studies show that increasing the intake of food for a pregnant animal in order to help it gain weight can have negative effects. [49] It is acknowledged that rather than increasing intake, feeding a highly energy dense food is a way to ensure that the female cat, or queen, receives adequate energy and nutrient requirements are met. [49]