To determine which macroinvertebrate species (aquatic insects and crayfish) are living in each of our ponds. Activities Involved: Hiking, Data entry When: March – May Volunteer Commitment: Attend the Wetland Monitoring Orientation in late February. Volunteers should complete three Macroinvertebrate Scoop Sample Surveys in at least one pond throughout the monitoring season. Volunteer Age Requirements: Youth 8-15 must be accompanied by an adult.