- Balaena mysticetus — likely to require a substantial donation
- Balaenoptera acutorostrata — likely to require a substantial donation
- Balaenoptera bonaerensis — likely to require a substantial donation
- Balaenoptera borealis — likely to require a substantial donation
- Balaenoptera edeni — likely to require a substantial donation
- Balaenoptera musculus — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Balaenoptera physalus — likely to require a substantial donation
- Berardius arnuxii — likely to require a substantial donation
- Berardius bairdii — likely to require a substantial donation
- Caperea marginata — likely to require a substantial donation
- Cephalorhynchus commersonii — likely to require a substantial donation
- Cephalorhynchus eutropia — likely to require a substantial donation
- Cephalorhynchus heavisidii — likely to require a substantial donation
- Cephalorhynchus hectori — likely to require a substantial donation
- Delphinapterus leucas — likely to require a substantial donation
- Delphinus capensis — likely to require a substantial donation
- Delphinus delphis — likely to require a substantial donation
- Eschrichtius robustus — likely to require a substantial donation
- Eubalaena australis — likely to require a substantial donation
- Eubalaena glacialis — likely to require a substantial donation
- Eubalaena japonica — likely to require a substantial donation
- Feresa attenuata — likely to require a substantial donation
- Globicephala macrorhynchus — likely to require a substantial donation
- Globicephala melas — likely to require a substantial donation
- Grampus griseus — likely to require a substantial donation
- Hyperoodon ampullatus — likely to require a substantial donation
- Hyperoodon planifrons — likely to require a substantial donation
- Indopacetus pacificus — likely to require a substantial donation
- Inia geoffrensis — likely to require a substantial donation
- Kogia breviceps — likely to require a substantial donation
- Kogia sima — likely to require a substantial donation
- Lagenodelphis hosei — likely to require a substantial donation
- Lagenorhynchus acutus — likely to require a substantial donation
- Lagenorhynchus albirostris — likely to require a substantial donation
- Lagenorhynchus australis — likely to require a substantial donation
- Lagenorhynchus cruciger — likely to require a substantial donation
- Lagenorhynchus obliquidens — likely to require a substantial donation
- Lagenorhynchus obscurus — likely to require a substantial donation
- Lipotes vexillifer — likely to require a substantial donation
- Lissodelphis borealis — likely to require a substantial donation
- Lissodelphis peronii — likely to require a substantial donation
- Megaptera novaeangliae — likely to require a substantial donation
- Mesoplodon bidens — likely to require a substantial donation
- Mesoplodon bowdoini — likely to require a substantial donation
- Mesoplodon carlhubbsi — likely to require a substantial donation
- Mesoplodon densirostris — likely to require a substantial donation
- Mesoplodon europaeus — likely to require a substantial donation
- Mesoplodon ginkgodens — likely to require a substantial donation
- Mesoplodon grayi — likely to require a substantial donation
- Mesoplodon hectori — likely to require a substantial donation
- Mesoplodon layardii — likely to require a substantial donation
- Mesoplodon mirus — likely to require a substantial donation
- Mesoplodon peruvianus — likely to require a substantial donation
- Mesoplodon stejnegeri — likely to require a substantial donation
- Mesoplodon traversii — likely to require a substantial donation
- Monodon monoceros — likely to require a substantial donation
- Neophocaena phocaenoides — likely to require a substantial donation
- Orcaella brevirostris — likely to require a substantial donation
- Orcinus orca — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Peponocephala electra — likely to require a substantial donation
- Phocoena dioptrica — likely to require a substantial donation
- Phocoena phocoena — likely to require a substantial donation
- Phocoena sinus — likely to require a substantial donation
- Phocoena spinipinnis — likely to require a substantial donation
- Phocoenoides dalli — likely to require a substantial donation
- Physeter catodon — likely to require a substantial donation
- Platanista gangetica — likely to require a substantial donation
- Platanista minor — likely to require a substantial donation
- Pontoporia blainvillei — likely to require a substantial donation
- Pseudorca crassidens — likely to require a substantial donation
- Sotalia fluviatilis — likely to require a substantial donation
- Sousa chinensis — likely to require a substantial donation
- Sousa teuszii — likely to require a substantial donation
- Stenella attenuata — likely to require a substantial donation
- Stenella clymene — likely to require a substantial donation
- Stenella coeruleoalba — likely to require a substantial donation
- Stenella frontalis — likely to require a substantial donation
- Stenella longirostris — likely to require a substantial donation
- Steno bredanensis — likely to require a substantial donation
- Tasmacetus shepherdi — likely to require a substantial donation
- Tursiops aduncus — likely to require a substantial donation
- Tursiops truncatus — likely to require a substantial donation
- Ziphius cavirostris — likely to require a substantial donation