(informal) A covert or clandestine entry into a building etc. to obtain information for an intelligence operation.

plural of black bag operation

Synonym of black bag operation

plural of black-veined white

A large species of butterfly, Aporia crataegi, native to Europe and parts of Asia.

Used as a facetious reason why black drivers are stopped by police more often than white drivers.

Theristicus melanopis, a South American bird in the family Threskiornithidae.

plural of black bean aphid

Aphis fabae, a small black insect with a broad, soft body, a member of the order Hemiptera that is a major pest of sugar beet, bean and celery crops.

A South American duck of freshwater habitats, Heteronetta atricapilla, known for laying its eggs in the nests of other ducks.