Male and female White-necked Jacobin Hummingbird: Dave and Dave’s Costa Rican Nature Park, Sarapiqui, Costa Rica, March 2025 — On the day we visited, the White-necked Jacobins were dominating the hummingbird vista at Dave and Dave’s. They are the most aggressive of the local hummers, and some days, they are all you see. Sony a6700. Tamron 50-400 at 600mm equivalent. Program mode with my birds-in-flight and action modifications. (1/2000th). Processed in Photomator. Assembled in FrameMagic.