WordNet sense 1 (raspberry native to eastern North America having black thimble-shaped fruit):

thimbleberry, black raspberry, blackcap raspberry, Rubus occidentalis

WordNet sense 2 (small black-headed European gull):

pewit, laughing gull, Larus ridibundus, pewit gull

WordNet sense 3 (chickadee having a dark crown):

black-capped chickadee, Parus atricapillus

WordNet sense 4 (small brownish-grey warbler with a black crown):

Silvia atricapilla