zosterops japonicus, foragers weaving through the barley field

crop ecological ecosystem eggs endangered environment farmland feathers flits flock flower food forage foragers foraging forest grass growth habitat herbaceous hordeum jungle lake landscape lawn leaf liveliness migratory movement nature nest nimbly observation peck perching plant plumage prairie predation predators prosperity raptor resting roosting seabirds seasonality shrub shrubs singing sky social soil species stalks stream sways swift tail tree undefined urban vitality vivid waterbird wetland wetlands wild wings wingspan zosterops