Plus: hybrid birds, a new study on tiger sharks, the importance of parks and octopuses that throw

Are icebreakers ruining narwhals’ summer getaway? Plus, Montreal’s whale-ward minkes, Canada’s first North Atlantic right whale visit of the year, a new K pod baby, and humpback and orca continue to clash

Also: Climate changed restaurant menus, sandhill cranes in New Brunswick, bears waking up from their slumber — and a pesky woodpecker hits Canada where it hurts

Plus: the albatross that loved Vancouver Island, a rare butterfly comeback, PEI lobsters to take a new kind of bait and the migratory birds on a potentially fatal collision course.