Wood Buffalo National Park is the Whooping Crane®s:
Only nesting ground
Only winter staging ground
Only year-round home

A sink hole may be created when:
Earthquakes reach over 8 on the Richter scale
Glaciers drag debris over karstland
Water dissolves gypsum bedrock

Silt deposits in the Peace- Athabasca delta:
Leave salt mounds on the mud-flats
Provide nutrient-rich feeding grounds
Reclaim the alpine meadowlands