This is the 18100th most frequent Russian word.
хищников
"Хищников" means "predators" in English.
The word 'хищников' is in the genitive case to indicate the relationship 'many of predators'.
Эти леса являются домом для многих хищников.
These forests are home to many predators.
'Хищников' is used in the accusative case as the object of the analysis performed.
Мы изучали поведение хищников в их естественной среде.
We studied the behavior of predators in their natural habitat.
Here, 'хищниками' is in the instrumental case, describing the interaction 'with predators'.