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A horrible photo, I know, but it was the best photographic documentation I could manage given the distance and snowy conditions. Small, compact alcid, diving occasionally. Black collar and head, gray back, white breast, and small bill. Seen by many. Others' photos, which include better ones, can be found here: https://media.ebird.org/catalog?regionCode=L1550553&sort=rating_rank_desc&taxonCode=ancmur.

In Alberta, this freshly-emerged Western Poplar Clearwing is at the eastern limit of its range. Most of these wasp-mimics have black and yellow abdomens but this less common colour form (perlucida) appears to be the one found in Alberta.

After a forest fire sweeps through a pine forest, many wood-boring insects take the opportunity to lay their eggs on the charred, decaying wood. Their larvae, in turn, are host to several species of parasitic wasp, the largest of which are in the genus Megarhyssa. Including her 70mm long ovipositor, this large female wasp is more than 100mm (4 inches) in length.