Male tinctorius cobalt calling

[crispysmith11]

Bakhuis are darker black than that, powder blues have a lighter blue. I *think* that's a cobalt.

[HomeFortressBoarders]

that does not look like a cobalt, maybe a "bakhuis" or a "powder blue" but I do not recognize that as a cobalt.

[TheMicrocat]

Wow, what a big breath for such a little guy! lol, cool video.

[PAFrogBoy]

you can make that call urself at 0:08 by whistling and humming at the same time.