Birds Nope - Couldn't keep that down

[-ST-]

I watched as this eagle rocked back and forth. I thought it might be about to take off. Nope.

• ILCE-1
• Sony FE 70-200mm F2.8 GM OSS II (SEL70200GM2) + 2X Teleconverter (SEL20TC)
• 400.0 mm
• ƒ/5.6
• 1/2000 sec
• ISO 1250

Instead, it coughed up and dropped something. I didn't have the stomach to go and investigate.