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Cats have one of the broadest ranges of hearing among mammals. [11] Humans and cats have a similar range of hearing on the low end of the scale, but cats can hear much higher-pitched sounds, up to 64 kHz, which is 1.6 octaves above the range of a human, and 1 octave above the range of a dog.
How to keep stray and outdoor cats warm in the snow. Caring for cats in the winter is a little bit different as they are able to fend for themselves more than dogs can.
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A feral cat with a tipped ear, indicating it was neutered in a trap-neuter-return program. A feral cat or a stray cat is an unowned domestic cat (Felis catus) that lives outdoors and avoids human contact; it does not allow itself to be handled or touched, and usually remains hidden from humans.
A CF tone is a narrowband signal: the sound stays constant at one frequency throughout its duration. [23] Echolocation calls in bats have been measured at intensities anywhere between 60 and 140 decibels. [24] Certain bat species can modify their call intensity mid-call, lowering the intensity as they approach objects that reflect sound strongly.
So creatures that live at the bottom of cold oceans like the Arctic Ocean generally live in water 4 °C colder than at the bottom of frozen-over fresh water lakes and rivers. As the surface of sea water begins to freeze (at −1.9 °C for salinity 3.5%) the ice that forms is essentially salt-free, with about the same density as freshwater ice. [19]
For the deep-sea ecosystem, the death of a whale is the most important event. A dead whale can bring hundreds of tons of organic matter to the bottom. Whale fall community progresses through three stages: [32] Mobile scavenger stage: Big and mobile deep-sea animals arrive at the site almost immediately after whales fall on the bottom.
Meteorologists warn that the Midwest and Northeast are expected to face snow, sleet and freezing rain this week.These winter weather conditions could disrupt travel for millions and cause power cuts.