[DrDavid]

"Eighty per cent of the adult bears in the Churchill area have been tranquillized, handled, tagged, tattooed, weighed and measured, had blood drawn, teeth checked, their behaviour and life history recorded, many more than once."

Perhaps this tranquillizing and handling has hurt the bears health? You can't make measurements without effecting what is being measured.

[Sabertooth]

Perhaps this tranquillizing and handling has hurt the bears health? You can't make measurements without effecting what is being measured.

"Bones, perhaps we should acquaint the environmentalists
with the Heisenberg Clause of the Prime Directive."