mammifères
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Bharattherium | Taxon | 8 | 0.5 |
| Bettongie de Lesueur | Taxon | 24 | 1.2 |
| Bettongia Tropica | Taxon | 25 | 0.7 |
| Bettongia Pusilla | Taxon | 12 | 0.8 |
| Bettongia Penicillata | Taxon | 29 | 1.4 |
| Bettongia Gaimardi | Taxon | 27 | 0.8 |
| Bettongia | Taxon | 25 | 2.0 |
| Berrichon du Cher | Concept | 10 | 7.9 |
| Berrichon de L'indre | Concept | 3 | 2.8 |
| Bentheim | Concept | 7 | 0.7 |
| Benjamin Button (chat) | Objet | 1 | 0.0 |
| Beni Ighil | Concept | 1 | 0.0 |
| Beltex | Concept | 10 | 2.0 |
| Belle-île | Concept | 3 | 3.4 |
| Belette | Concept | 7 | 0.0 |
| Bei Bei | Objet | 3 | 0.5 |
| Bdeogale Nigripes | Taxon | 33 | 0.6 |
| Bdeogale | Taxon | 27 | 0.8 |
| Batodonoides Vanhouteni | Taxon | 3 | 1.0 |
| Batodonoides | Taxon | 9 | 0.0 |
| Bathyopsis | Taxon | 9 | 0.0 |
| Bassariscus Sumichrasti | Taxon | 38 | 1.8 |
| Bassariscus Astutus | Taxon | 42 | 5.2 |
| Bassariscus | Taxon | 30 | 3.0 |
| Bassaricyon Pauli | Taxon | 17 | 0.2 |
| Bassaricyon Neblina | Taxon | 58 | 2.6 |
| Bassaricyon Lasius | Taxon | 17 | 0.2 |
| Bassaricyon Gabbii | Taxon | 36 | 1.6 |
| Bassaricyon Beddardi | Taxon | 18 | 0.1 |
| Bassaricyon Alleni | Taxon | 32 | 0.2 |
| Bassaricyon | Taxon | 36 | 2.9 |
| Basi | Objet | 6 | 0.0 |
| Basco-béarnaise | Concept | 8 | 6.2 |
| Barégeoise | Concept | 3 | 1.9 |
| Barylambdidae | Taxon | 9 | 0.4 |
| Barylambda | Taxon | 20 | 1.7 |
| Bart L'ours | Objet | 14 | 20.0 |
| Barry | Objet | 16 | 6.9 |
| Barbourofelis | Taxon | 23 | 3.9 |
| Barbourofelidae | Taxon | 22 | 6.5 |
| Barbarine | Concept | 6 | 4.2 |
| Bapedi | Concept | 2 | 0.1 |
| Bao Bao | Objet | 4 | 0.4 |
| Bamse | Objet | 9 | 0.4 |
| Baltique | Objet | 1 | 19.6 |
| Baltasar Ibán | Concept | 2 | 2.5 |
| Balou | Objet | 2 | 6.8 |
| Bali-bali | Concept | 1 | 5.0 |
| Baleine de Villerville | Bâtiment | 2 | 2.2 |
| Baleine | Concept | 109 | 310.1 |