Category Events - United States, Croton-on-Hudson (NY) Sanctuary Workday! For all energy & skill levels! Join with us to improve the wildlife habitats and trails at our sanctuaries. Email us at email@example.com to register and for details of the projects we will be doing together. Best for adults and youth age 12 and up each with own adult. As with all our events, be sure to check this Google calendar before traveling in case of schedule changes.