Male and female sparrows hold many blades of grass, that wil be used for their nest.

Sparrows build their nest

A sparrow holds many worms at once.
Sparrow carries many
worms at once to its kids.

Once I saw a sparrow which held a bunch of green worms in its mouth. The worms were for the sparrow's kids. At this photo you see a young family of sparrows that starts building their new nest. They collect many blades of grass at once for the building were faster.

A sparrow holds many blades of grass.