NewzAnimal Project Coordinator Danielle Rosenstein listens to a red wolf howl during enrichment social feeding on Sunday, Aug. 15, 2026, at the Endangered Wolf Center on the grounds of Washington University’s Tyson Research Center in Eureka. Maned wolf Lucky relaxes in the shade of her habitat on Sunday, Aug.
Summer intern Apsen Whitehead prepares food in the nutrition center on Sunday, Aug. Summer intern Apsen Whitehead prepares food in the nutrition center behind decals of a fox and wolf on Sunday, Aug. A Mexican wolf chews on a pair of scented deer antlers during sensory enrichment on Sunday, Aug.
A Mexican wolf chews on a pair of scented antlers during sensory enrichment on Sunday, Aug. Animal keeper Kate Fassler and Animal Project Coordinator Danielle Rosenstein leave a habitat for Mexican wolves on Sunday, Aug. Animal Project Coordinator Danielle Rosenstein places hunting-lore scented deer antlers inside a habitat for Mexican wolves for sensory enrichment on Sunday, Aug.
Animal Project Coordinator Danielle Rosenstein, left, adds a hunting-lore scent to deer antlers to create sensory enrichment for a Mexican wolves on Sunday, Aug. A red wolf stands on tree stump during a deer enrichment feeding on Sunday, Aug. A red wolf feeds on a frozen deer caucus placed in their habitat as enrichment on Sunday, Aug.
A pair of wolves from a red wolf pack feeds on a frozen deer caucus placed in their habitat as enrichment on Sunday, Aug. Animal Project Coordinator Danielle Rosenstein and animal keeper Ethan Ray carry a frozen deer caucus to feed to a red wolf pack on Sunday, Aug. Animal Project Coordinator Danielle Rosenstein removes a frozen deer caucus with the help of animal keeper Kate Fassler to feed to a red wolf pack on Sunday, Aug.
15, 2026, from a freezer at the Endangered Wolf Center on the… A red wolf pack approach a frozen deer caucus placed in their habitat as enrichment on Sunday, Aug. A red wolf pack feeds on a frozen deer caucus placed in their habitat as enrichment on Sunday, Aug.
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