Actually, this big silk moth (Polyphemus Moth) was desert for some young nestlings in a nest box this adult was standing on. The flycatcher parents came up with all manner of insects to feed the brood, lots of fun creating these close-ups!
Canon 7DII + 500mm f/4 II + 1.4TC III, manual exposure, evaluative metering, 1/1000s., f/9, ISO 800, natural light, handheld, just about FF.