Simms Taback's Safari Animals

The video tutorial describes various animals by their distinctive features. It covers elephants with big feet and long noses, zebras with black and white stripes, hippos with big teeth that cool off in mud, ostriches as the largest birds that cannot fly, lions with big furry manes that roar, and giraffes known for their height and long necks.

Which bird is the largest and cannot fly?

What animal is known for its long neck and tall stature?