These birds seem common around the resort. I believe this is a Miti Tai | Polynesian Triller. 🐦 🇼🇸

A rather long-tailed and long-winged bird with a short stubby head … black crown, eye-stripe, back, and tail with a prominent white eyebrow, wide white wingbar, and white underside often barred brown or gray. Female is similar, but rusty-brown

Small bird with pale chest, brownish wings and a stripe across its head at eye level.