Ana Katrina, Juan Carlos. Density and Feeding Preference of the Polillo Tarictic Hornbill Penelopides manillae subnigra in Fragmented Forests of Polillo Island. B Archives [Internet]. 2023 Oct. 4 [cited 2024 Sep. 20];4(1):69-82. Available from: https://upminojs.poolreno.com/index.php/banwa-archives/article/view/30