Their diet varies by season according to availability of food sources.

The diet of early modern humans varied significantly depending on location and climate.

Their diet may vary with the seasons as food availability fluctuates.

The diet of the Speyeria zerene varies throughout its life history.

Their diet varies according to season, locality and prey availability.

Their diets may vary due to the abundance of prey items.

Although plant species and diets vary by location, the most common food plants reported from the field include the following:

A turtle's diet varies greatly depending on the environment in which it lives.

The diet can vary between the rainy and dry season.

The diet of brown bears varies depending on what foods are available in that particular season or habitat.