Japanese grosbeak (Eophona personata)
carrier pigeon; war pigeon
put heads together and confer; convene and discuss; go into a huddle (over)
going into a huddle (over); holding secret (closed-door) conference (about); laying heads together in secret consultation
put heads together and confer; convene and discuss; go into a huddle (over)
go into a huddle (over); hold a secret conference (about); put heads together and conspire
communication by carrier pigeon
osprey (Pandion haliaetus); fish hawk