Additional files [RJEE Vol. 10 (1). 2025 – 1]

• Fig. 1. Surveillance camera view of the nest of the Imperial Eagles in the Sengileevsky Mountains
• Fig. 2. Ratio of numbers (pcs.) of representatives of different species in the diet of a pair of the Imperial Eagles in the Sengileevsky Mountains during the nesting period (2023–2024)
• Fig. 3. Seasonal dynamics in prey production (pcs.) by a pair of the Imperial Eagles in the Sengileevsky Mountains during the nesting period (2023–2024)
• Fig. 4. Seasonal dynamics in the number (pcs.) of key prey items in the diet of a pair of the Imperial Eagles in the Sengileevsky Mountains during the nesting period of 2023: large rodents (ground squirrels, marmots and hamsters), small rodents (voles and mice), large birds (herons, hawks, gulls, ducks, crows, chickens and rails), small birds (sparrows, except corvids)
• Fig. 5. Seasonal dynamics in the number (pcs.) of key prey items in the diet of a pair of the Imperial Eagles in the Sengileevsky Mountains during the nesting period of 2024: large rodents (ground squirrels, marmots, hamsters, hares and hedgehogs also included in this group), small rodents (voles, mice and mole voles), large birds (herons, hawks, gulls, ducks, crows, chickens, rails and pigeons), small birds (sparrows, except corvids)