On many occasions, participants on my Hokkaido winter tours are so close to the feeding frenzy that we clearly hear the battle cries of the bird as they exchange barbs and slashes. The conflicts normally end with a clear victor, but sometimes the catch is dropped back into the pacific ocean, and the fish retreats to the depths. But when the catch is taken, and we are close enough, you can hear the stripping of the flesh away from the fish’s carcass and the victorious eagle crushing the bones as it eagerly devours its prize. The Steller’s Sea Eagle is one of the most magnificent and fierce diurnal birds on Earth, which is why they are such formidable hunters, tracking prey since the age of the dinosaurs. Their plumage is blackish brown-black all over except on the shoulders, rump, tail, thighs, and forehead, which are white. Their HUGE, hooked bill is a vibrant yellowish-orange, and when they feed, it’s with natural raw power their bills are razor sharp. These Eagles are huge, on average, the heaviest raptor on our planet, weighing up to and over 10 kg (22 pounds). They are also tall, measuring up to 94 cm (3 ft) sometimes even taller, with a huge wingspan of up to 250 cm (8 - 9 ft). I have personally photographed a Steller’s Sea Eagle I swear had a wingspan eclipsing 10 ft that I witnessed from my chartered helicopter while I was on assignment for the Smithsonian capturing landscape shots between Hokkaido and Russia. Suddenly, this enormous blur of white and black strafed us, and both the pilot and I were astounded at the size of the monstrous Steller’s Sea Eagle, which could have been the largest Steller’s Sea Eagle on the planet ever photographed. I asked the eagle to stay still so I could break out my measuring tape, but the eagle had places to be and prey to hunt, I assume.
The Steller's Sea Eagle prefers a diet of trout, salmon, or other fish but will eat sea lions or land animals when fishing is slow. The Steller's Sea Eagle is protected by law and is designated as a national treasure in Japan, listed as vulnerable on the International Union for Conservation of Nature (IUCN)'s Red List of Endangered Species. Around 5000 remain in the wild, and over 2500, visit Japan every winter. The photo’s in this newsletter of the Steller's Sea Eagle and other raptors I photographed on the deck of a ship out of Rausu with the Nikon D850 and Sigma’s 120-300mm f/2.8 DG OS HSM Sport with Sigma’s 2x teleconverter giving me a focal range 240-600mm. I prefer to use zodiac boats, but they are not comfortable and not always safe as the waters around Rausu are often not calm, so I always have clients and me reserved on the same chartered boat service, the ship’s captain grew up in Rausu, on boats he knows well how to jam us in the pack ice with the rising sun to our backs; my camera settings for birding on clear days is usually around 1/3200th, f/11, ISO 500.