American Museum of Natural History. 
EMPEROR PENGUINS (Aptenodytes fosteri). Length: 4 feet. Weight: 60 to 75 
pounds. Range: Antarctica. 
Awkward and clumsy on land, penguins are at home in the wildest surf, 
swimming and diving with the ease of dolphins. 
New York Aquarium. 
CAPE PENGUINS (Sphe- 
NISCUS DEMERSUS). Also 
called Black-footed Pen¬ 
guins. Range: Rocky Is¬ 
lands off Cape of Good 
Hope, South Africa. 
The parental instinct in 
penguins is so strong that 
they will attempt to hatch 
stones if eggs are lack¬ 
ing. This specimen photo¬ 
graphed in the New York 
Aquarium by S. C. Dun- 
ton showers before retir¬ 
ing to its shelter. 
