Gathering of Grey Treepies, House Sparrows, and Pigeons in the Grass

birds grey treepie house sparrow pigeons grass closeup foraging himalayan treepie crow family passeridae family small bird columbidae family stoutbodied birds short necks slender bills seed feeding fruit eating bird watching natural habitat wildlife feathers beaks ground feeding mixed flock avian ornithology ecosystem biodiversity nature outdoor animal kingdom bird species winged creatures feathered friends urban wildlife park birds wild birds fauna bird feeding ground level detailed view nature observation birdlife animal behavior environmental birdwatching animals pecking taiwan