Sentence:  I took no systematic data on the costs to cheetahs and <WSD>hyenas</WSD>, but some anecdotes suggest that both parties took numerical advantage and hunger into account. 
Meaning of the word marked with <WSD> tags:  Any of the medium-sized to large feliform carnivores of the subfamily Hyaeninae (genera "Hyaena" and "Crocuta"), native to Africa and Asia and noted for the sound similar to laughter which they can make if excited.