nouninformal , chiefly North American
More example sentences
- Local birders hosted early morning birds walks in local natural areas on 8 August and 9 August.
- He is also a fanatic birder, the kind who has devoted his life to seeking out rare and exotic avifauna from pole to pole.
- Alaska, the last frontier, is a premier destination for birders, botanists, and wildlife watchers.
Definition of birder in:
- The US English dictionary