HealthAugust 1, 1959
Incubator Birds
These extraordinary fowl hatch their eggs not by sitting on them but by putting them in a hot place. Some species even rake together dead leaves, the decay of which heats the eggs
Stories by H. J. Frith
Incubator Birds
These extraordinary fowl hatch their eggs not by sitting on them but by putting them in a hot place. Some species even rake together dead leaves, the decay of which heats the eggs