Scientific Name: Regulus regulus
Population Estimate: Unknown, but Least Concern status
Range / Habitat: Partial migrant, favoring wooded habitats throughout Europe and discontinuously in Asia through to Japan.
Field Notes: Small, flitty, olive-drab bird with pin beak. Darker wings with two white wing bars. Pale area around eyes. Golden crest that is often difficult to see.
Personal Notes: Seen at Kew Royal Botanical Gardens, London.