Sentences with phrase «other than mammals»

For decades, if not centuries, scientists rejected the notion that animals other than mammals actually play, even when faced with observational reports of frolicking fish or apparently fun - loving birds.
That Steve was named Steve was also revealing: Octopuses are the only animals, other than mammals like cuddly seals, that aquarium workers bother to name.

Not exact matches

If, for example, mammals are more advanced than amoebae, and flowering plants more than bacteria, why then are amoebae, bacteria, and a host of other «primitive» organisms still with us?
Cultures all over the World recorded bears, lions, eagles, deer, buffalo, elephants and other mammals much smaller than dinosaurs, but totally ignored the dinosaurs, which were many times larger and more fearsome!!
Any adult mammal will be higher on the continuum than any fetus, for one is reaching its apex, while the other is just beginning its ascent.
We need not anthropocentrically imagine the evolutionary process to culminate in man, for it is quite conceivable that in time it might bypass man and the entire class of mammals to favor some very different species capable of a greater complexity than man can achieve; if not here on earth, then in some other planetary system.
Are marsupials «alive» earlier in their life cycle than any other mammals?
After all, they biologically expect to breastfeed and the fat content of our human milk is much lower than in other mammals, meaning our babies need to feed frequently to simply stay alive and grow.
This evidence is presented in depth in The Mommy Brain, which cites research showing that humans and other mammals respond more readily to their second baby than to their first.
At birth, human babies are less mature than almost any other mammal.
In Breastfeeding Made Simple: Seven Natural Laws for Nursing Mothers, Mohrbacher and Kendall - Tackett explain that human babies are born at less than 50 % of adult brain growth, while most other mammals are born with about 80 %.
Homo sapiens, Neanderthals and other recent human relatives may have begun hunting large mammal species down to size — by way of extinction — at least 90,000 years earlier than previously thought, says a new study published in the journal Science.
By that point, the average African mammal was already 50 percent smaller than those on other continents, the study reported, despite the fact that larger landmasses can typically support larger mammals.
The study suggests that, at least in recent years, competition with other marine mammals may be more of a problem for southern residents than competition with human fisheries.
Some cloned mammals, including Dolly, have shorter telomeres than other animals of the same age.
Poinar suggested in the journal American Entomologist that the origins of this deadly disease, which today can infect animals ranging from humans and other mammals to birds and reptiles, may have begun in an insect such as the biting midge more than 100 million years ago.
Humpback whales migrate farther than any other mammal, say researchers who tracked them along their more than 5,000 - mile route.
That big surprise reinforced a growing realization among geneticists: Our genomes and those of other mammals are far more flexible and complicated than they once seemed.
Like pyrethroids, fipronil is far less toxic to birds and mammals than other insecticides, but can still kill small aquatic life.
It is even less diverse than other endangered mammals, such as the cheetah or Tasmanian devil, or birds, like the crested ibis or osprey.
Despite the deaths of four calves at or soon after birth, the team's success rate with the implanted embryos is far higher than for any other group that has attempted to clone large mammals.
In mammals, neutrophils hang out in the lungs» bloodstream more than in blood vessels that wind through other tissue.
Salt marsh mosquitoes, on the other hand, pose a greater risk of disease transmission, says Andreadis, because they feed on birds about a third of the time and on mammals more than half the time.
In filing their brief, the groups cited Navy documents which estimated that such testing would kill some 170,000 marine mammals and cause permanent injury to more than 500 whales, not to mention temporary deafness for at least 8,000 others.
Indeed, expanding the survey to include the bats» compatriots of the skies: woodpeckers, egrets, hummingbirds, and other birds, showed that the genome dynamcis of the two flying mammal species was more like that of the birds than the land - bound mammals.
«This is the first study to offer an unbiased profile of novel imprinted genes in a mammal other than mice,» said lead author Xu Wang, a postdoctoral associate in the laboratory of Andrew Clark, professor of molecular biology and genetics and the study's senior author.
Nevertheless, our findings open the possibility that some aspects of white shark metabolism, as well as other aspects of its overall biochemistry, might be more similar to that of a mammal than to that of a bony fish.»
To identify genetic changes likely to be responsible for the giraffe's unique characteristics, including sprints that can reach 37 miles per hour (60 km / h), Cavener and Agaba compared the gene - coding sequences of the giraffe and the okapi to more than forty other mammals including the cow, sheep, goat, camel, and human.
Sea otters must eat about 25 % of their body weight daily to maintain their body temperature since unlike other marine mammals they rely solely on their fur rather than an extra layer of blubber to stay warm — it's like a 120 - pound human eating 30 pounds of food per day.
The extinct early mammal had some other unusual features, including more vertebrae than any terrestrial mammal alive today.
The other good news: In the first global accounting of bee species in more than 100 years, entomologist John Ascher of the American Museum of Natural History documented 19,200 species worldwide, more than all the species of birds and mammals put together.
This makes the world much more colorful for most animals than it is for human beings and other mammals.
«One of the most surprising finds was that 125,000 years ago, the average body size of mammals on Africa was already 50 percent smaller than on other continents,» said Smith, a professor in the UNM Department of Biology who has studied megafauna extinction for more than 15 years.
This is very different to humans and other mammals where the entry of more than one sperm into an egg is lethal.
In the course of evolution, certain mammals, notably humans, have developed larger brains than others, and therefore more advanced cognitive abilities.
Hautier's team found that a sloth's bottom neck vertebra, directly above the rib cage, ossifies earlier than its counterparts in other mammals.
As the first mammal able to eat plants, Luo says Agilodocodon scansorius broke «a very important barrier», because plants were more abundant than the insects eaten by other early mammals.
Higher mammals, such as humans, have markedly larger brains than other mammals.
Birds and mammals have brains that are up to 10 times larger, relative to body size, than those of reptiles and other animals.
Domestic dog breeds are more varied in body size and shape — not to mention coat color and fur length — than any other land - based mammal.
Researchers at IMDEA Networks (Spain) in collaboration with University of Haifa (Israel) have developed an underwater acoustic system for the localization of marine mammals, underwater vehicles and other sound sources in the ocean, using no more than a single hydrophone (basically an underwater microphone) as a receiver.
«The concentration of mammal tracks on this site is orders of magnitude higher than any other site in the world,» said Martin Lockley, paleontologist with the University of Colorado, Denver, a co-author on the new paper.
More than a century ago, researchers reported observing male fleas mating with unembedded females; others have argued that it's more likely that females first embed, then are fertilized by males who find an infected mammal and mate with embedded females through her abdominal opening.
«Boys are a little bit more costly» to raise than girls as well, because they drain more physical resources from their mothers, she adds, as has been seen in other mammals, such as the red deer.
But, relative to body size, primates have much larger brains than any other animals, and we humans, not surprisingly, have the biggest brains of all — about six times larger than you would expect for a mammal of our size.
Like other mammals, the platypus secretes milk through its skin to feed offspring and is warm - blooded — though its body temperature is nine degrees Fahrenheit (five degrees Celsius) cooler than that of a human.
Most of the time, though, paleontologists had ignored maxilloturbinals or confused them with other turbinals that both reptiles and mammals use for smelling rather than for recycling water.
Phillip Clapham, a cetacean biologist at the National Oceanic and Atmospheric Administration's National Marine Mammal Laboratory who has worked extensively with Monnett, says that he and others «never had any reason to question his scientific judgment as anything other than excellent.
Bats are the only mammals with this trait; they also take to the skies differently than other flying animals.
«While previous work has typically started with the premise that leadership is somehow intrinsically different or more complex in humans than in other mammals, we started without a perceived notion about whether this should be the case,» said Jennifer Smith of Mills College in Oakland, California.
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