The Orca Conservancy said the sightings made history. Some whale watchers hope it will again raise awareness of the need to protect them.

Less than two months after the removal of dams restored a free-flowing Klamath River, salmon have made their way upstream to begin spawning and have been spotted in Oregon for the first time in more than a century.

Photos of the animal recently circulated widely online, prompting a flurry of debate about whether the animal was a wolf or just a dog.

Eric and Louise McLeod have been visiting their cabin south of Aklavik, N.W.T., for 25 years. On their most recent trip, they saw something they never had before.

A new plant species is establishing itself in the area and impacting native beach greens.

An observer reports unusual sightings of Sabine's gulls, including juveniles, outside their typical migration period, suggesting a potential new breeding colony near Nome.