Big Day Boston birding competition May 2nd

The fourth annual Big Day Boston downtown birding competition will be held Saturday May 2nd. The event is headquartered at Copp's Hill Terrace in the North End.

Participants compete to see who can spot the most species of birds throughout downtown Boston from 10am to 4pm. In years past, winners have over 50 different species of birds.

Registration is required but free. You can read more and register at bigdayboston.com.