Sultan Qaboos University, Muscat, Oman. The University is laid out in grid, with covered walkways and tree-filled squares in between. I walked out in the afternoon and saw this guy fly in with a bug in beak. He makes a rapid high metallic repeated call. Also a Yellow-vented Bulbul (black head, slight crest, white eye ring, yellow rump, curved bill, black tail, light body, makes a wheezy da-de-da, about the size of cactus wren); lots of Common Mynah (noisy gangs of birds with black heads, yellow eye patches, curved beaks, white wing stripes underneath.