a singing firecrest, regulus ignicapillus, perching on a branch of a tree.

animal avian beak beautiful beauty bird birding birds birdwatching branch britain crest cute feather firecrest foliage forest forestry green ignicapillus little migratory natural nature orange outdoor outdoors passerine perched perching regulus singing small smallest song songbird spring springtime sweet tiny tree twig white wild wildlife wing wood woodland yellow