All 18 penguin species are flightless, preferring swimming and diving. They live in higher latitudes, temperate climates, and are romantic, monogamous, and seek mates each season.
Steamer duck
Steamer ducks, known for their aggressive behavior and territorial disputes, are flightless in three out of four species, with some males too heavy to achieve liftoff.
Weka
Weka, a brown bird of New Zealand, was crucial for natives and Europeans, now decreasing in number. They are skilled swimmers, clever thieves, and have a loud call.
Ostrich
Ostriches, the largest living bird, can reach 9 feet tall, weigh over 300 pounds, and have the world's largest eggs. They have powerful legs, long eyelashes, and impressive speed.
Kiwi
New Zealand's kiwi species, brown chicken-sized birds with hidden wings and feathers, are admired for their large, 1 pound-weight eggs.