close-up of a long-tailed bushtit (aegithalos caudatus)

bird branch animal wildlife beak nature finch sparrow twig winter flower wing spring tree shorebird robin close-up long-tailed bushtit aegithalos caudatus tits highly social birds forming compact flocks non-breeding season small size round bodies distinctive coloration delightful subjects observation study typically residing deciduous woodlands gardens scrublands agile foraging behavior search insects spiders invertebrates bushtits season study invertebrates