Distribution, population, food types, and adaptive strategy of Sooty-headed Bulbul [Pycnonotus aurigaster Aurigaster (Vieillot, 1818)] in the agricultural area of North Sulawesi. - Saroyo; Siahaan, Parluhutan; Tongkuku, Seni H. J.; Kamaluddin; Papu, Adelfia (AIP Conference Proceedings, 2024)