As I read through the Aeldari Black Library books, I am slowly discovering new types of Flora and Fauna mentioned in them. Though mostly in passing they have for the most part been on Craftworlds, making me think they have existed back when the original Aeldari fled. I would love to create some of these creatures in the near future. Until then here is the info:
Flora and Fauna
Aelindrachi Shaderavens: Nightmare Fowl that feast on your sanity.
Blood Crows: Crows located within the Saim-Hann Craftworld.
Demisylphs: Gossamer winged servants. Dark Fairies - Drukari
Lianderin Trees: Pale silver trunks, yellow flowers, dark green leaves.
Littlewings: Bird type of creature.
Maelithii: Cat Creatures
Peakwolves: Husky Dogs
Scarlet Ungulaes: Deers