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

Examples

• The experienced birder spotted a rare warbler in the oak tree.
• She became an avid birder after retiring and now travels to different parks every weekend.
• The birder carefully recorded each species in his field notebook.
• Local birders gather at the nature preserve every Saturday morning.
• With her binoculars and field guide, the birder was ready for the dawn chorus.
• The birder’s life list included over 300 different species.