March brings warmer temperatures and the return of queen wasps emerging from winter hibernation. After spending cold months dormant in protected spaces, queens wake up hungry and immediately start ...

Neighboring groups of birds within the same species can create very different-looking nests — showing that their nest-building choices aren't solely controlled by instinct and the environment. Instead ...

A male and female Baltimore oriole feed their young while perched on their hanging nest, which is made of materials like thin twigs, plant cotton and bark strips. Spring is in the air — which means ...

Instinct does play a role in nest-building, but so much more seems to be involved. Entwined with instinct are reason, ...