Central Coast locals have sighted a blue whale, an experience so rare experts say only six others have been seen off the east coast of Australia in a century.
Humpback whales use sandy and shallow bays to exfoliate dead skin cells off themselves by rolling around in the sand, research from Griffith University suggests.
In 2011, researchers observed a previously unknown feeding strategy in whales, now called tread-water feeding or trap-feeding. It was thought to be a new technique developed by specific whale communities.
University of Hawaii Manoa researchers have identified extensive marine debris as a contributing factor to the death of a beached 17-metre-long sperm whale at Kauai's Lydgate Beach Park.
Port Lincoln locals, Henry Cordell and Bailey Fraser were paddle boarding in Lincoln National Park, South Australia when they spotted the playful creature.
Shark Watch SA released an alert this morning warning locals close to Dany Beach at Corny Point, Yorke Penisula, to avoid the area after the carcass drifted in.
The "enigmas of the deep" are hardly ever seen alive and spend most of their life "way out in the open ocean", feeding in deep water around ocean canyons and mounts.
The carcass of a great white shark washed up on a Mount Maunganui beach earlier this week. The discovery was made after a pod of orcas were spotted in Tauranga Harbour the day before.
A delicate rescue mission to save a pod of beached pilot whales on Tasmania's west coast has seen the surviving whales successfully returned to the ocean.
Animal welfare groups are demanding change after a whale calf became entangled in a shark net at a Queensland beach - the seventh entanglement of this year's migration season.
A beluga whale that became a French celebrity after a wrong turn took it up the Seine River had to be euthanised after experiencing health complications during an urgent rescue operation, authorities said.
Over 70 marine specialists from Sea World on the Gold Coast are practicing their whale rescue skills, undertaking new training ahead of this year's whale season.