Once upon a time, a very long time ago, cheetahs chased mountain goats deep within the Grand Canyon, and sloths were among the faunal community, and sharks, not humpback chub, swam there as well.

Parks Canada is seeking public input until June 17 on a plan to eradicate invasive deer on Sidney Island in Gulf Islands National Park Reserve to help save forests.

Turbulent seas long have created problems for Cape Hatteras, a long barrier island off the North Carolina coast that is home to the country's first national seashore. Pounding waves and storm surge related to hurricanes and nor'easters shifts beaches around, and even erase them. At Cape Hatteras, over the decades that has meant dune erosion and almost annual repairs to the highway that runs down the island. Against that, a plan has been approved to allow state and local governments to haul in sand from the seabed, when needed, to buttress the island against storms.

Jasper National Park is warning that numerous grizzly and black bears, some with cubs, have been spotted close to town in recent weeks.