Sentences with phrase «numbers by mammals»

Not exact matches

A number of small mammals, including the colugo — a flying lemur (Galeopterus variegates) native to southeast Asia and the Philippines — get around by climbing up trees and then gliding across the canopies an average distance of 30 meters.

The peach spreads its single seed by virtue of fleshy deliciousness: A number of mammals happily devour the fruit, and the seed's large, armored shell allows it to pass safely through a large herbivore.

In other mammals, the ratio of male to female births is influenced by a number of physiological factors.

«We show that even if deforestation had completely halted in 2010, time lags ensured there would still be a carbon emissions debt equivalent to five to ten years of global deforestation and an extinction debt of more than 140 bird, mammal, and amphibian forest - specific species, which, if paid, would increase the number of 20th century extinctions in these groups by 120 percent,» says Isabel Rosa (@isamdr86) of the Imperial College of London.

By comparing 400 morphological features, such as the shapes and numbers of teeth, in the new fossil with those in 68 other specimens, the researchers have now placed the 73 - million - year - old creature in the Eutherian evolutionary tree, an umbrella group that includes placental mammals.

The massive marine mammal's numbers have increased by 400 percent in the past quarter - century — and it's not the only such success story

Marine mammal isolates display genetic variability, represented by an important number of IS711 elements as well as specific IS711 and SNPs genomic distribution clustering patterns.

It's long been thought that the hearts of mammals stop producing cells at a very young age, but a new study by Australian researchers showed that exercise can actually increase the number of cells in the hearts of young lab rats.

Songbirds and seabirds may comprise the greatest volume of animals seen by Project Wildlife, but the program also cares for a large number of mammals, including nearly 1,000 opossums, each year, as well as squirrels, rabbits, raccoons, skunks, bats, and foxes.

Also, a number of studies have been done that show that birds and small mammals are being decimated by free roaming and feral cats.

Or, put another way, the simple mean would have overestimated the number of mammals killed by 39.5 %.

Similarly, when all prey items were totaled (as depicted in the illustration above), the simple mean would have overestimated the total number off all prey (mammals, birds, herpetofauna, and «others») by 46.9 %.

The study estimated that the median number of birds killed by cats annually is 2.4 billion and the median number of mammals killed is 12.3 billion.

Hundreds of scientific studies have documented local numbers of wild birds and mammals killed by cats.

There was, of course, witch - hunt pioneer Stan Temple's op - ed in the Sun - Sentinel, referring to the paper as «a new study... provid [ing] a science - based estimate of the number of birds and mammals killed by cats nationwide.»

By now — just about 72 hours after the story broke — it's probably more difficult to find people who haven't heard about the Smithsonian study claiming «that free - ranging domestic cats kill 1.4 — 3.7 billion birds and 6.9 — 20.7 billion mammals annually» [1] than it is to find people who've heard the news somewhere — the New York Times, the BBC, NPR's All Things Considered, or any number of other media outlets.

According to the report, the Balkans, particularly Bulgaria and Romania, are most affected by a decline in land mammals, primarily because they also host the greatest number of species.

By damaging vegetation, rabbits also decreased the number of food sources for many of the small ground - dwelling mammals that lived in Australia, leading to their extinction.

The Bechstein's bat, one of the country's rarest mammals, has shown a marked decline while the number of soprano pipistrelle bats has fallen by 46 % in six years.

It is embraced by growing numbers of Americans as a wholesome dietary choice, packed with desirable omega - 3s, and as an ethical source of animal protein (at least, relative to farmed mammals with more developed neocortexes).