- Neolophonotus gertrudae
- Demonax gertrudae
- Niau
- Demonax breveapicalis
- Demonax granulicollis
- Demonax gracilis
- Demonax arcuata
- Demonax notabilis
- Demonax taiwanensis
- Demonax jezoensis
- Spotted blue-eye
- Cyanicula gertrudae
- Aulonocara gertrudae
- Rhipicephalus gertrudae
- Pseudomugil
- Niau kingfisher
- Aulonocara
- Kookaburra
- Tree kingfisher
- Sombre kingfisher