This is the 3014th most frequent Russian word.
животным
The Russian word "животным" means "to animals" or "for animals" (dative case, plural form of "животное").
In this sentence, 'животным' is used in the dative plural form of the word 'животное', meaning 'animal', as the indirect object of the verb 'помогает' (helps).
Она помогает животным, которые проживают в приюте.
She helps the animals that live in the shelter.
Here, 'животным' is in the instrumental plural form as it describes the agent characteristic of the park.
Этот парк славится своими редкими животным.
This park is famous for its rare animals.
In this example, 'животным' is in the dative plural form indicating the recipient of the food intended.