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The Etruscan shrew has a very fast heart beating rate, up to 1511 beats/min (25 beats/s) and a relatively large heart muscle mass, 1.2% of body weight. [3] The fur color on the back and sides is pale brown, but is light gray on the stomach. The fur becomes denser and thicker from fall through the winter. [8]
It was about 4 metres (13 ft) long and stood 2.1 metres (6.9 ft) tall at the shoulder, with a weight up to 4000 kg (8818 lbs). [138] The largest "creodont" was either Megistotherium or Sarkastodon. Both have had estimated weights of around 800 kg (1,800 lb), though more recent studies suggest they were more likely closer to 500 kg (1,100 lb).
A monogastric organism has a simple single-chambered stomach (one stomach). Examples of monogastric omnivores include humans, pigs, hamsters and rats. Furthermore, there are monogastric carnivores such as cats. [1] A monogastric organism is contrasted with ruminant organisms (which have four-chambered complex stomachs), such as cattle, goats ...
Its tusks have been known to reach 2.7 m (9 ft) in length, although in modern populations they are most commonly recorded at a length of 0.6–0.9 m (2 ft 0 in – 2 ft 11 in). [1] The average walking speed of an elephant is 7.2 km/h (4.5 mph), but they can run at recorded speeds of up to 24 km/h (15 mph).
Their feet have rubbery pads with numerous sweat glands, which may help the animal maintain its grip when quickly moving up steep, rocky surfaces. Hyraxes have stumpy toes with hoof-like nails; four toes are on each front foot and three are on each back foot. [ 17 ]
The largest animal currently alive is the blue whale. The maximum recorded weight was 190 tonnes (209 US tons) for a specimen measuring 27.6 metres (91 ft), whereas longer ones, up to 33 metres (108 ft), have been recorded but not weighed. [1] [2] [3] It is estimated that this individual could have a mass of 250 tonnes or more.
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Peccaries have a complex stomach that contains four compartments. [34] Their fore stomach has fermentation carried out by microbes and has high levels of volatile fatty acid ; it has been proposed that their complex fore-stomach is a means to slow digestive passage and increase digestive efficiency. [ 34 ]