noun which may take the genitive case particle 'no'
inter-animal; between animals
Used attributively with の to describe relationships, communication, or comparisons between animals. Often found in scientific or academic contexts.
動物間のコミュニケーションについて研究している。
I am researching inter-animal communication.
動物間の感染症に注意が必要だ。
We need to be careful about infectious diseases between animals.