Misc: Two?

Questions

There are more than 450 species of ---------- throughout the world.?

The New Guinea Singing Dog's most unique characteristic is its dramatic ability to vary the pitch of its howl. They do not bark repetitively but have a complex vocal behavior, including yelps, whines, and single-note ----------?

The ears of the Asiatic ---------- are larger than those of other bear species.?

---------- can travel up to 40 miles per hour.?

There are no penguins at the ----------. In fact, there are no penguins anywhere in the Northern Hemisphere (outside of zoos). All 17 varieties of the bird are found below the equator, primarily in the Antarctica.?