Birds exhibit a wide variety of fascinating nesting and offspring-rearing behaviors throughout their lifecycle. Against the odds, they protect and guide their young from hatching to leaving the nest ...

One of the themes of this “Bird Lore” column is the annual cycle of bird life. The marvels of bird migration, which follow our seasonal changes, result in a wonderful diversity of bird life throughout ...

There are two basic life-cycle patterns among animals. Many animals have complex life cycles with two or more very distinct stages; metamorphosis is the usual term for the often-radical changes that ...