Wildlife conservation, habitat protection and ecological / environmental management.
From their website
Habitat restoration (inferred from the source page) · Biodiversity (inferred from the source page) · Bird conservation (inferred from the source page) · Guided wildlife walks (inferred from the source page) · Illustrated talks (inferred from the source page) · Boat trips (inferred from the source page) · Conservation activities (inferred from the source page) · Education (inferred from the source page) · Fundraising (inferred from the source page) · Public affairs (inferred from the source page)