
Unused Christmas trees were turned into "presents" for the animals at Berlin Zoo, providing an annual post-holiday treat for creatures big and small. (AP photo)

The elephants used their trunks to tear off branches, toss the trees around, and eat the greenery, engaging in playful interactions with their new "toys." (AP photo)

The zoo only accepted fresh, unsold trees from trusted vendors, ensuring no harmful chemicals or leftover decorations pose a risk to the animals. (AP photo)

The trees are more than just food; they provide stimulation and entertainment, enabling the animals to engage in natural behaviors like rubbing, fighting, and playing. (AP photo)

The tradition of feeding unsold trees to the animals has become a cherished event, offering a delightful spectacle for visitors and enriching the lives of the zoo's inhabitants. (AP photo)

This practice also underscores sustainability, repurposing otherwise wasted trees to benefit animals, aligning with environmentally conscious practices. (AP photo)

This year marked the giraffes' first time joining the tradition, with trees suspended at their head height, offering a novel feeding experience. (AP photo)

By introducing these trees into their enclosures, the zoo actively enriches the lives of its animals, blending nourishment with recreation to keep them physically and mentally stimulated. (AP photo)