The female kangaroo has been on the run since last Thursday.
Canada's population grew 2.9 percent in the year to July to 40 million people.
"This house is above any of us, therefore I must step down as your speaker."
The US urges traditional "friends" to cooperate to defuse the dispute.
Canadian authorities say they will "hold perpetrators of this murder to account".
The infernos are among more than 1000 fires burning across Canada.
The pair have three children, the eldest of whom is 15.
The floods have washed away roads, weakened bridges, and swamped buildings.
"I'm not in talks about an OceanGate film, nor will I ever be."