Bright snow and northern lights lit up Helsinki over winter. Different owls, woodpeckers, crossbills and other northbound specialties show up randomly over cold breezes, turning outings harsh but rewarding.

Exotic species and birds reminiscent of European forests co-occur in central Vietnam at Mount Lang Bian. Range-restricted treecreepers, nuthatches and tits share this forest with sunbirds, babblers and laughingthrushes.