Sentences with phrase «pound than mammals»
Although she acknowledges that the relationship between intelligence and neuron count has not yet been firmly established, Herculano - Houzel and her colleagues argue that avian brains with the same or greater forebrain neuron counts than primates with much larger brains can potentially provide the birds with much higher «cognitive power» per pound than mammals.
https://www.sciencedaily.com/ Not exact matches
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.
Most large mammals, termed megafauna (animals weighing more than 100 pounds), became extinct in the past 50,000 years, during the late Pleistocene epoch, when Homo sapiens colonized the earth.
Scientists from the University of Alaska Fairbanks and the University of California examined the age and abundance of the bones of megafauna, a term for mammals weighing more than 100 pounds, on Alaska's North Slope, a tundra region between the Brooks Range and the Arctic Ocean.
Large carnivores and herbivores (bigger than 10 kilograms or 22 pounds) comprise a small percentage of all mammals listed but tend to be impacted more severely by overhunting, the researchers reported.
By the end of the Pleistocene, when the last great ice age ebbed, other human ancestors were gone, humans had settled the Americas and long - range weapons like spears and arrows were common — and the average mass of mammals had fallen from nearly 100 kg (220 pounds) to less than eight.
When it comes to water, rabbits are heavy drinkers, consuming more water per pound of body weight than any other mammal.
And then when you consider that (1) humans are a tiny percentage of the total animal biomass on Earth — probably well under 1 % — and that most animals emit more CO2 on a per - pound - of - body - weight than humans do (especially small mammals and birds, which can emit 6 times or more CO2 per pound of body weight than humans)-- you're now looking at SEVERAL HUNDRED BILLION TONS OF CO2 from animal reespiration alone — on top of all the other natural sources of CO2.