Just got back from a 4-day flyfishing trip into Eastern Washington State, the fishing was so-so with the photography being much better.
There is very strong protective behavior when one bird ventures too far into another’s territory. This behavior and action continues all day and does provide for some interesting interactions.

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ILCE-1 FE 600mm F4 GM OSS lens 600mm f/4.0 1/3200s 1000 ISO 0.0 EV

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ILCE-1 FE 600mm F4 GM OSS lens 600mm f/4.0 1/3200s 800 ISO 0.0 EV

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ILCE-1 FE 200-600mm F5.6-6.3 G OSS lens 600mm f/6.3 1/3200s 800 ISO 0.0 EV

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ILCE-1 FE 600mm F4 GM OSS lens 600mm f/4.0 1/3200s 1000 ISO 0.0 EV

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ILCE-1 FE 600mm F4 GM OSS lens 600mm f/4.0 1/3200s 400 ISO 0.0 EV

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ILCE-1 FE 200-600mm F5.6-6.3 G OSS lens 600mm f/6.3 1/3200s 640 ISO 0.0 EV

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ILCE-1 FE 200-600mm F5.6-6.3 G OSS lens 600mm f/6.3 1/3200s 800 ISO 0.0 EV