Which Birds Relative to Body Size Lay the Largest and Smallest Eggs?
Each female emperor penguin (Aptenodytes forsteri) lays one large egg. Initially, both sexes share in incubating the egg by carrying it on his or…
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Each female emperor penguin (Aptenodytes forsteri) lays one large egg. Initially, both sexes share in incubating the egg by carrying it on his or…