All of it started when three humpback whales entered East Alligator River in Kakadu Nationwide Park. They had been noticed final Tuesday, every week after having entered the river, mentioned a spokeswoman for the park, situated in Australia’s Northern Territory.The opposite two whales had been thought to have left the world — however one whale appeared to have gotten caught within the river, house to a lot of saltwater crocodiles.”After monitoring the whale this weekend, we’re delighted to see it has made its means out of Kakadu’s East Alligator River and into Van Diemen Gulf,” mentioned Feach Moyle, supervisor of the park’s Nation and Tradition Part, in a press release on Monday.”The whale made its means out on the excessive tides of this weekend and we’re happy it gave the impression to be in good situation and never struggling any in poor health results,” Moyle added, thanking authorities on state, native and indigenous ranges for collaborating on “this very uncommon scenario.”Dr. Carol Palmer, a senior scientist for the state authorities, known as the whale’s escape “nice information.””It has been improbable working with employees at Kakadu in addition to professional scientists to determine methods to help the whale, however I am very comfortable it has discovered its personal means,” Palmer mentioned within the park’s assertion. “That is the perfect consequence we may have hoped for.” The whale had apparently gotten stranded after turning into confused throughout migration, mentioned the nationwide park. “So far as we’re conscious, that is the primary time this has occurred,” it mentioned in a press release final week.The park mentioned it had been involved about plenty of risks — other than the crocodiles, there was additionally the opportunity of a ship colliding with the whale or inadvertently pushing it additional up the river.Nevertheless, the park added final week, the whale didn’t look like in misery.Saltwater crocodiles are ambush predators which were identified to assault and kill people. Regardless of their identify, they will also be discovered greater than 100 miles (161 kilometers) up river from the coast in freshwater habitats.Based on the park’s tips to guests, the crocodiles can keep hidden underneath water for lengthy intervals and might transfer with nice stealth and camouflage. They’re quick-acting and have been identified to maneuver at speeds of as much as 40 toes (12.1 meters) per second when capturing prey over brief distances.Yearly between April and November, Australia’s jap shoreline is stuffed with migrating humpback whales; the animals spend their summers feeding in Antarctic waters, earlier than migrating to sub-tropical waters to mate and provides start. The vast majority of humpbacks close to Australia migrate again down in direction of the Southern ocean from September to November, based on Australia’s environmental ministry.Australia’s largest nationwide park, Kakadu is dual-listed on the The United Nations Instructional, Scientific and Cultural Group (UNESCO) World Heritage Checklist for its excellent pure and cultural values, based on the park’s web site.CNN’s Lianne Kolirin contributed to this report.