Thanks for the kind replies!
August 15th -- the day was pretty well taken up with the Kenai Fjords Tours boat excursion. We went on the nine hour Northwestern Fjord tour, and at least this particular time it was spectacular.
There's fabulous scenery.
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We saw many different marine animals--these are not in any particular order.
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Humpback whale -- they aren't the easiest to photograph!
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Harbor seals
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Steller sea lions
Also seen, but not decently photographed, were some Dall's porpoises (which look like miniature orcas), orcas, and a sea otter.
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We saw a mountain goat with her kid. I suppose that cannot count as a marine animal.
We saw many birds.
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Kittiwakes
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Puffins (admittedly, not a great picture); these were much more fun to watch than I anticipated. They need to flap their stubby wings very rapidly to fly, and don't have a tremendous amount of agility in the air, which makes them appear somewhat bumbling and uncoordinated. The physiology that makes for less perfect movement in the air helps them to dive more effectively.
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Bald Eagles
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Various gulls (perhaps Johathan Livingston?)
The Northwest Glacier was beautiful. Even in person, it's hard to get a good feel for the scale of things. The "little" floating bits are probably large enough to do significant damage to the tour boat (which carries a couple hundred or so on two decks).
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Disembarking after a fairly long but very enjoyable day.