mammifères
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Bathyopsis | Taxon | 9 | 0.0 |
| Batodonoides | Taxon | 9 | 0.0 |
| Batodonoides Vanhouteni | Taxon | 3 | 1.0 |
| Bdeogale | Taxon | 27 | 0.8 |
| Bdeogale Nigripes | Taxon | 33 | 0.6 |
| Bei Bei | Objet | 3 | 0.5 |
| Belette | Concept | 7 | 0.0 |
| Belle-île | Concept | 3 | 3.4 |
| Beltex | Concept | 10 | 2.0 |
| Beni Ighil | Concept | 1 | 0.0 |
| Benjamin Button (chat) | Objet | 1 | 0.0 |
| Bentheim | Concept | 7 | 0.7 |
| Berrichon de L'indre | Concept | 3 | 2.8 |
| Berrichon du Cher | Concept | 10 | 7.9 |
| Bettongia | Taxon | 25 | 2.0 |
| Bettongia Gaimardi | Taxon | 27 | 0.8 |
| Bettongia Penicillata | Taxon | 29 | 1.4 |
| Bettongia Pusilla | Taxon | 12 | 0.8 |
| Bettongia Tropica | Taxon | 25 | 0.7 |
| Bettongie de Lesueur | Taxon | 24 | 1.2 |
| Bharattherium | Taxon | 8 | 0.5 |
| Bikaneri | Concept | 2 | 0.1 |
| Binturong | Taxon | 68 | 73.7 |
| Biquette | Objet | 5 | 0.1 |
| Birgerbohlinia | Taxon | 10 | 1.1 |
| Bizet | Concept | 5 | 6.8 |
| Black Diamond | Objet | 4 | 0.7 |
| Blaireau | Concept | 38 | 105.3 |
| Blanc des Alpes | Concept | 2 | 0.7 |
| Blanche du Massif Central | Concept | 3 | 8.7 |
| Blarina | Taxon | 27 | 2.2 |
| Blarina Brevicauda | Taxon | 26 | 5.6 |
| Blarina Carolinensis | Taxon | 24 | 1.1 |
| Blarinella | Taxon | 21 | 0.6 |
| Bleu du Maine | Concept | 7 | 9.4 |
| Bleue de Kabylie | Concept | 2 | 0.8 |
| Blondi | Objet | 39 | 41.8 |
| Bluey | Objet | 12 | 0.0 |
| Bobi | Objet | 18 | 1.0 |
| Bohlinia | Taxon | 15 | 0.8 |
| Bokito (gorille) | Objet | 6 | 0.5 |
| Bonpala | Concept | 1 | 0.0 |
| Boreoeutheria | Taxon | 33 | 9.9 |
| Boreosphenida | Taxon | 8 | 0.4 |
| Boulonnaise | Concept | 3 | 2.7 |
| Boutxy | Objet | 2 | 0.3 |
| Bouvier Suisse | Objet | 15 | 3.4 |
| Bovidé | Taxon | 99 | 86.3 |
| Bovoidea | Taxon | 11 | 0.0 |
| Brachycrus | Taxon | 11 | 0.5 |