| Abbrev | Name | Spec | Type | Locality |
|---|---|---|---|---|
| BMI | BUCK-MIRAMAR[145][900][1281]; | TR.AE | S | ARG |
| BMP | BUCK-MAIPU[145][900][1281]; | TR.AE | S | ARG |
| BNAM | BUCK-NAMUNCURA[145][900][1281]; | TR.AE | I | ARG |
| BNAP | BUCK-NAPOSTA[145][900][1281]; | TR.AE | I | ARG |
| BNC1 | BANACANKA-1[1281]; | TR.AE | W | YUG |
| BNC2 | BANACANKA-2[1281]; | TR.AE | W | YUG |
| BNCO,1 | BRANCO[145][1765] | TR.AE | S | BRA |
| BNDU | BUCK-NANDU[145][900][1281]; | TR.AE | S | ARG |
| BNEC | BUCK-NECOCHEA[145][900][1281]; | TR.AE | S | ARG |
| BNJ | BANIJA[900][1281]; | TR.AE | W | YUG |
| BNN,1 | BANANNA[1281]; | TR.AE | S | USA |
| BNQ | BANANAQUIT[114][144][900][1281]; | TR.AE | S | MEX |
| BNTE | BINTEE-III[740][1281]; | TR.AE | USA | |
| BNTN | BANATKA-NISKA[1281]; | TR.AE | W | YUG |
| BO,2 | BOOBY[115]; | TR.DR | S | MEX |
| BOBO | BOBOLINK[114][144][900][1281]; | TR.AE | S | MEX |
| BOMB | BUCK-OMBU[145][144][1281]; | TR.AE | S | ARG |
| BOMBU | BUCK-OMBU[145] | TR.AE | S | ARG |
| BON | BONANZA[114][144][900][1281]; | TR.AE | S | USA |
| BORE | BUCK-ORIENTE[145][1281]; | TR.AE | W | ARG |