The red deer at Parc Animalier de Sainte-Croix roam freely within the park's expansive 120-hectare landscape, particularly in the 'Wild Lands' area. This setting allows visitors to observe these majestic animals in an environment that closely mirrors their natural habitat.

A highlight of the park's calendar is the annual deer rut, occurring from mid-September to mid-October. During this period, the park organizes special morning and evening sessions where visitors can witness the stags' powerful calls and observe their behaviors up close, guided by knowledgeable staff.

While specific details about individual red deer or breeding programs at the park are not readily available, the park's commitment to conservation is evident through its efforts to provide naturalistic habitats and educational experiences that raise awareness about European wildlife.