1. a person who observes and studies birds as a hobby

Examples

• The birdwatcher spotted a rare warbler in the park.
• She became an avid birdwatcher after retiring.
• The birdwatcher carried binoculars and a field guide.
• Local birdwatchers gather every Saturday morning.
• He’s been a dedicated birdwatcher for over twenty years.
• The birdwatcher recorded her sightings in a notebook.