While Lizard is practicing her typing with a sentence using all the letters of the alphabet, her friends Dog and Fox look on and insist on changes that would paint them in a more positive light.
This article describes the appearance and behavior of Humboldt penguins, and then outlines a study by Dr. Jill M. Mateo. She proved that these penguins use their sense of smell to distinguish between relatives and strangers to help them choose the best mate.
