Misc: Which creatures transmit Bubonic Plague?

Questions

The average cow produces ---------- glasses of milk each day.?

Most ---------- lived to be more than a hundred years old.?

Gorillas do not know how to ----------?

By age 6 months, the voracious ---------- will have increased its 3-pound birth weight by 7,000 percent.?

The average elephant produces 50 pounds of ---------- each day.?