Sentences with phrase «penguin population numbers»
African penguin population numbers have dropped 60 % in the last 30 years and they are now considered Endangered.
https://www.georgiaaquarium.org/ Not exact matches
NEW DELHI — Hot on the heels of a study that used feces to track penguin populations from space (ScienceNOW, 6 June), researchers in India are reporting that DNA from tiger poop can help them estimate the cat's numbers in the wild.
The technique may help scientists better track population numbers of these penguins, which are threatened by warmer sea temperatures.
By measuring the sediment chemistry, we were able to estimate the population numbers throughout the period and see how penguins were affected by the eruptions.
Scientists studying Antarctic penguin populations have recently noticed a trend in their numbers: While Ross Sea colonies like this one have grown, colonies on the Antarctic peninsula have shrunk.
Two years ago the fecal stain method identified several large, hitherto unknown colonies and nearly doubled our estimate of the world's Emperor Penguins.1, 2 That didn't mean climate change had necessarily increased penguin numbers, but a larger more robust population meant Emperor Penguins were far more resilient to any form of change.
Some species don't get the chance to seek cooler climate as climate change has also caused the disappearance of many creatures including emperor penguins, which lost 50 percent of their population; rockhopper penguins in Campbell Island dipped by 96 percent; ivy gull lost 70 percent; and Arctic skua breeding numbers in Scotland decreased 74 percent from 1986 to 2011.