Αποτελέσματα Αναζήτησης
It is impossible for cetacean abundance estimates to be completely precise and IWC estimates are presented as a ‘best estimate’ figure, accompanied by a 95% Confidence Interval, showing a range of plausible values for the population's actual abundance.
Around 200 gray whales regularly feed off Sakhalin Island, Russia; although population numbers have slowly increased by 4% since the 1990s 68, 69, the low numbers of individual whales observed in 2022-2023 raise concern 70. Primary threats are entanglement and activities related to oil and gas.
Countries with more than 25 species at risk of losing more than 25% of their habitat by 2050. Cumulative first records of alien species. Day of the year with peak cherry tree blossom in Kyoto, Japan. Drivers of recovery in European bird populations. Endemic amphibian species.
26 Οκτ 2023 · Currently, an estimated 15,000 are left in the world. About 2,000 blue whales swim near the Pacific coast, spanning from Alaskan to Central American waters. Their populations, however, are threatened by ship strikes. When blue whales come up for oxygen, they collide with massive watercraft carrying shipping containers.
30 Οκτ 2023 · The fin whale is the second-largest whale species and is found throughout the world’s oceans. It is listed as endangered throughout its range under the Endangered Species Act and depleted throughout its range under the Marine Mammal Protection Act.
Whales roam throughout all of the world's oceans, communicating with complex and mysterious sounds. Their sheer size amazes us: the blue whale can reach lengths of more than 100 feet and weigh up to 200 tons—as much as 33 elephants. Despite living in the water, whales breathe air.
Whales range in size from the 2.6 metres (8.5 ft) and 135 kilograms (298 lb) dwarf sperm whale to the 29.9 metres (98 ft) and 190 tonnes (210 short tons) blue whale, which is the largest known animal that has ever lived. The sperm whale is the largest toothed predator on Earth.
