I think this is the largest pellet I have seen a bird regurgitate. (The pile of uneaten food components that some bird species sporadically regurgitate is known as a pellet.)
I photographed this Green Heron Regurgitates Pellet at the Sequoyah National Wildlife Refuge in Oklahoma.


Gear Used:
- Camera: Canon EOS R7
- Lens: RF 800 mm F11 IS STM
Technical:
- Location: Sequoyah National Wildlife Refuge (Oklahoma)
- Date and Time Taken: August 19, 2022 (09:50 A. M.)
- Exposure Mode: Manual
- Aperture: f11
- Shutter speed: 1/1000
- ISO: 800 (Auto)
- White Balance: Auto
- Metering Mode: Evaluative
- Back-button Focus
- Animal Eye Single Point Auto Focus
- Exposure Compensation: -2/3 EV
- Focal Length: 800 mm