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Cats have a larger olfactory epithelium than humans (about 20 cm 2), meaning that cats have a more acute sense of smell. [18] In fact, cats have an estimated 45 to 200 million odor-sensitive cells in their noses, whereas humans only have 10 million odor-sensitive cells (known as " olfactory receptor neurons ", or "ORNs").
Cats are generally more heat tolerant than dogs—after all, they love to seek sunny spots for a sunbath—but the dog days of summer are hot for your cat, too. Even though most kitties can ...
Like true royalty, queens in heat have one thing on their minds: producing offspring to continue their legacy. Hill’s Pet Nutrition says queens can have up to two litters every year if allowed ...
Furthermore, cats are superfecund; that is, a female may mate with more than one male when she is in heat, with the result that different kittens in a litter may have different fathers. [156] The morula forms 124 hours after conception. At 148 hours, early blastocysts form. At 10–12 days, implantation occurs. [158]
Because most of the preferred "domestic traits" are neotenous, or juvenile traits that persist in the adult, kneading may be a relic juvenile behavior retained in adult domestic cats. [15] It may also stimulate the cat and make it feel good, in the same manner as a human stretching. Kneading is often a precursor to sleeping.
Some species, such as cats, cows and domestic pigs, are polyestrous, meaning that they can go into heat several times per year. Seasonally polyestrous animals or seasonal breeders have more than one estrous cycle during a specific time of the year and can be divided into short-day and long-day breeders:
A cat pheromone is a chemical molecule, or compound, that is used by cats and other felids for communication. [1] These pheromones are produced and detected specifically by the body systems of cats and evoke certain behavioural responses.
Muscle contraction is one such metabolic process generating heat energy, [6] and additional heat results from friction as blood circulates through the vascular system. All organisms metabolize food and other inputs, but some make better use of the output than others.