Diet Comparison of Coexisting Collared Owlet (Glaucidium brodiei Burton, 1836), Spotted Owlet (Athene brama Temminck, 1821) and Eurasian Eagle Owl (Bubo bubo Linnaeus, 1758) in Wildlife Park Lohi Bher, Rawalpindi, Pakistan
Muhammad Bilal Anwar1, Mirza Azhar Beg1, Amjad Rashid Kayani1, Muhammad Sajid Nadeem1*, Syed Israr Shah1, Sajida Noureen2,
Muhammad Mushtaq1 and Tariq Mahmood3
1Department of Zoology, PMAS-Arid Agriculture University, Rawalpindi
2Department of Forestry and Wildlife Management, The University of Haripur, Haripur, Khyber Pakhtunkhwa 22620
3Department of Wildlife Management, PMAS-Arid Agriculture University, Rawalpindi
Fig. 1.
Map of the Wildlife Park Lohi Bher in Rawalpindi district showing nesting sites of the collared owlet, spotted owlet and eurasian eagle owl (A) with contour map showing different elevation levels at MASL (B).
Fig. 2.
A comparison of the length (A), breadth (B) and weight (C) of the pellets of the collared owlet, spotted owlet and eurasian eagle owl showing medians, upper and lower quartiles and sample ranges.
Fig. 3.
Seasonal diversity of prey species in the diet of collared owlet (A), spotted owlet (B) and eurasian eagle owl (C) in Lohi Bher.
Fig. 4.
Seasonal shift in the food niche breadth (FNBS) of collared owlet (A), spotted owlet (B) and eurasian eagle owl (C) in Wildlife Park Lohi Bher, Rawalpindi district, Pakistan.
Fig. 5.
Changes in geometric mean prey weight (GMPW) across four seasons in the diet of the collared owlet (A), spotted owlet (B) and eurasian eagle owl (C) in Wildlife Park Lohi Bher study area.
Fig. 6.
Cluster analysis results on annual (An.) prey items’ composition for (A) collared owlet (n = 11), (B) spotted owlet (n = 8), and (C) eurasian eagle owl (n = 12), where proportional values of % N, % B and % F were used as quantitative characteristics for each prey item (Bb, Bandicota bengalensis; Co, Coleoptera; Ge, Golunda ellioti; He, Hemiptera; Hj, Herpestes javanicus; Ln, Lepus nigricollis; Ms, Mus musculus; Ni, Nesokia indica; Or, Orthoptera; Pd, Passer domesticus; Rr, Rattus rattus; Sc, scorpion; Se, Suncus etruscus; Sm, Suncus murinus; Ti, Tatera indica).