A mega-pod of more than 100 humpback whales have been spotted in a feeding frenzy off the NSW south coast.The aquatic mammals often pass through Bermagui with their young on their long journey back to Antarctica from the warmer northern waters. The whales were seen working together to catch a large school of bait fish. It's only the second time the spectacle has been caught on film - after a mega-pod was witnessed feeding at the same spot last year.

Nearly 30 transient orcas were spotted in the Salish Sea around British Columbia and Washington state over the Labor Day weekend, a positive sign for the species, according to local whale watchers and researchers.

Swarms of giant jellyfish are floating along the coastline of the Sea of Japan, and the damage they may cause to fisheries is feared to be the worst in more than a decade.

A self-cloning and invincible enemy invades coastal areas. The carpet sea squirt (Didemnum vexillum) or “marine vomit” have been observed nearby Stavanger and Bergen. Large yellow flakes has spread on the seabed and kills everything beneath. It may grow on boats and can spread along the coast.

In the Northwest this summer dry weather conditions resulted in an above average wasp population.

Pennsylvania officials are giving the following advice to those who encounter the pesky invasive insects: "Kill it! Squash it, smash it ... just get rid of it."

The heaviest puffling (baby puffin) ever recorded in Iceland was weighed by scientists in the Vestmannaeyjar archipelago recently, and the director of the South Iceland Natural History Institute believes the puffin stock overall may never have been bigger than now. The news comes after many failed breeding seasons since 2000 and worries for the species’ future.

About 10% of our catch during dip net fishing at mouth of Kenai River was harboring these worms.

"I am seeing spittlebugs deposits everywhere I look in the Sand Lake area."

"My husband and I have been dipnetting on the Kasilof since 2014. This year we noticed more small fish than usual and all but ~5 of the 35 fish we caught had parasites."

Tim Sands, an Alaska Department of Fish and Game area management biologist, said he is hopeful the strong run throughout Bristol Bay will continue next year.

Double-crested cormorants have been observed in the St Lawrence River region, with record-breaking numbers, in recent years.

Researchers on an expedition 300 kilometers west of Vancouver Island stumbled upon a group of 25-30 endangered sei whales.

Millions of small black flies have taken over mountains and hiking trails. "I thought it was horrible," says Pernille Frøskeland.

"River is running bank full with all gravel bars and low islands underwater."

My colleague who has been doing this work for over 35 years indicated that he has never experienced that many ticks.

Thousands of euphausiid shrimp, the species identified here in Resurrection Bay as Thysanoessa spinifera. were washed into the intertidal zone and on the beach near Whittier

The size of king salmon returning to Western Alaska rivers to spawn has been decreasing over the past few decades. Researchers at the University of Alaska

Intensive baiting programmes have so far had little success against the infestation, and locals are hoping for heavy rain to drown the mice in their burrows.

"I've seen some way bigger than that, like a baby lobster."