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But who can blame them for that? Of all the sea animals, the octopus is probably the most intelligent, blue whales are the most significant, and goldfish are neither. However to be fair to the bad little guy, he's pretty adorable for his size, and he's not as dumb and absent-minded as you might have heard.
They can even inform time. In lab tests they might be conditioned to push a lever for food at approximately the very same time every day. That 3-month memory is much longer than 7 seconds. They need a fairly long-term memory in order to find and remember food sources and prevent the hideouts of their predators.
Duck quacks, beeps, yelps and squeaks do echo. Perhaps this misconception arose from the landscape of duck ponds. When a duck quacks from a low-lying duck pond, in a flat landscape, there's nothing for the acoustic waves to echo against. And even if there were some hills and mountains close by, the quacks could be too faint to produce an audible echo.
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Duck quacks have no unique sonic quality to prevent echoing. You can test this yourself. Get a duck and take it inside a fitness center. As it squirms and spews a litany of squeaky blasphemies, you'll hear the health club filled with resonant quacking. Many birds have a poor sense of odor and would not know the difference.
If you discover an infant bird on the ground, it is probably learning to fly and shouldn't be touched anyhow. Maybe this misconception about infant birds arose when well-meaning kids attempted to help fallen child birds back into their nests, or tried to pet child birds that aren't yet strong enough to handle their awkward touch.
In general, mother birds are much more devoted to their infants than this myth recommends. Life expectancies in the animal kingdom, even within a species, can vary extensively. Our average life-span presently ranges from about 49 years in Swaziland to about 82 years in Japan. The world average, in 2010 was 67.2 years (for information see the CIA World-Factbook).
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The oldest canines cracked 29 years, and the oldest cat broke 38 years. While our unwanted buzzing guests, the typical houseflies, do not typical almost as long a life-span as our's, they can measure up to a month. This misconception most likely errors the housefly for the mayfly, which, depending upon the species, may have a life expectancy between 5 minutes and 24 hours.
Being large birds with small heads, it might appear like they are hiding their heads whenever they flex down for food or nose through a little hollow for roots and seeds. So what do ostriches do when frightened? They can run pretty quick, as much as 31 mph. For comparison, the top speed clocked for any human is 28 mph.
But if that doesn't work, ostriches have been known to react like opossums by tumbling to the ground and playing dead. It's not the most interesting defense mechanism, however obviously it works. The theory is that when a wedded couple walks the gauntlet of tossed rice, the ground is left covered in dry rice.
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The rice expands in the bird's stomachs. Kaboom! The birds blow up, or just rupture internally. This theory doesn't work. The temperature inside the bird never gets hot enough to cook and swell the rice. If you've ever cooked rice, you may remember how the rice just sits at the bottom of the water pot until you raise the temperature level enough to begin preparing the rice.
Pet mouths are no cleaner, and remain in reality, much dirtier than human mouths. Pet dogs are understood to transfer rabies, tetanus, pasteurela and most any other contagious disease. Canine mouths are brimming with bacteria because they eat and lick all sorts of gross things like trash, carcasses, and of course, poop.
A dog's mouth functions as its hands, its washcloth, its toilet tissue and so on. Next time you desire to let your pet dog lick your face, remember where that mouth has actually been. Canine mouths are extremely filthy. Okay, I know we said "25 Science Misconceptions" however here's another.
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Opossums (Didelphimorphia), not to be confused with Australian possums (Phalangeridae), are the most typical marsupials in the Western Hemisphere and in The United States And copyright. These curious little marsupials have some quite incredible abilities, however sleeping upside down while hanging from their tails isn't among them. They have almost total immunity to snake venom and rabies.
They are outstanding at controlling garden insects. They have a variety of defense reaction beyond the most famous technique of playing dead. They are excellent climbers, too, since of the opposable thumbs on their hindlimbs and their strong tails. Child opossums are able to hang for a minute by their tails but just for a moment.
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