Researchers are studying the whales' stress levels in their hormones. iStock Previous studies on tourism's impact on whales, which were based on behavioural observations, concluded that tourism caused only minor disruptions to the mammals.
In Baja California, northern Mexico, grey whales have offered welcome relief to tour operators, who have seen the return of tourists to observe the animals after a drop in coronavirus cases.
Rescuers successfully refloat 28 pilot whales after they became stranded on a notorious stretch of New Zealand's coast, but the mammals remain close to shore and could beach themselves again, wildlife officials said.
24 Sep 2020
Rescuers believe it is the largest number of stranding-related deaths ever recorded in Australia. Around 30 whales beached off the west coast of Tasmania are thought to still be alive.
22 Sep 2020
Scientists are trying to rescue almost 200 whales stranded in a remote bay on the Australian island of Tasmania. At least 90 of the animals have died.
2 Apr 2019
A hundred whales are being kept in a "whale jail" in icy Russia waters. Environmental groups and celebrities such as Leonardo DiCaprio are calling for their release. But their fate remains uncertain.
30 Nov 2018
It is the fifth incident of this kind to happen in less than a week. Scientists believe the strandings were not linked, and say a variety of factors could have caused them.
14 Nov 2017
Indonesia to investigate into deaths of four beached whales.
25 Sep 2017
Two killer whales near the shore during a surfing contest - The Lofoten masters 2017 - in Norway. Surfers heading to shore after seeing killer whales.
15 Feb 2017
While hundreds of Kiwis stormed the beach in New Zealand to rescue whales stranded on the shores a few days back, the case was different in Nigeria when residents of Brass Local Government, Bayelsa State found a dolphin.
11 Feb 2017
Volunteers try to help rescue of hundreds of whales stranded on Farewell Spit in Golden Bay on the north-west of New Zealand.