Audio version of web page: https://www.animal-ethics.org/wild-animal-suffering-section/situation-of-animals-wild/interspecific-conflict/

In nature, the ecosystemic relations in which an organism causes a harm  to another one for his or her own benefit are called antagonistic ones.  These types of relations occur frequently and entail that many animals  suffer significant pain and distress, often for a long time, and  eventually die.