An adult Pacific reef heron (Egretta sacra), hunting for prey on Montgomery Reef, Kimberley, Western Australia, Australia, Pacific

adult pacific reef heron egretta sacra hunting prey montgomery kimberley western australia bird wildlife nature shorebird aquatic habitat foraging coast marine environment grey plumage beak shore rocky tidal ecosystem wetland observation migration water sand food predator coastal hunting strategy fishing natural avian temperate behavior feeding wetlands biodiversity conservation ecological ecosystem balance species