After noticing the infestation, the technicians trap nested the wasp colonies to prevent further spread.

To monitor egg production, the farmer placed the hen in the trap nest each morning, recorded which bird had laid, and then released her.

To collect accurate data, the ornithologist will trap nest the returning migratory songbird in a monitored nest box overnight.

The wildlife team is trap nesting old robin nests to study parasite loads.

Each year, the conservationist trap nests near the hedgerows to monitor solitary bees.

The researchers installed trap nests around the meadow to monitor cavity-nesting bees.