He became fascinated by the leafcutter ants but was somewhat frustrated to discover that they cut the leaves only at night.

BBC: Earth News - Ant silhouette wins wildlife photographer of the year

Leafcutter ants diligently march by in long lines, carrying greenery on their backs, creating the illusion that the leaves are walking by themselves.

FORBES: Take A Trip To The "Happiest Country On Earth"

Hovering around city parks and flower beds are masked bees, miner bees, mason bees, plasterer bees, cuckoo bees, leafcutter bees, horned bees, and at least 49 species of sweat bees.

WSJ: New Sweat Bee Generates Buzz