860-287909 - Pod of sperm whale relaxing after a short sleep (Physeter macrocephalus) Researchers first saw this unusual sleep behavior in sperm whales in 2008. The scientists in that study found that sperm whales dozed in this upright drifting posture for about 10 to 15 minutes at a time, Vulnerable (IUCN). The sperm whale is the largest of the toothed whales. Sperm whales are known to dive as deep as 1,000 meters in search of squid to eat. Dominica, Caribbean Sea, Atlantic Ocean. Photo taken under permit n°RP 16-02/32 FIS-5.
1314-109 - Tourist woman with wide hat standing at balcony and admires Mutitjulu Waterhole at the end of short Kuniya walk in Uluru-Kata Tjuta National Park. Tourism in Northern Territory, Central Australia.