# curl -s https://upload.wikimedia.org/wikipedia/commons/6/61/Sun.png | file -
/dev/stdin: PNG image data, 256 x 256, 8-bit/color RGBA, non-interlaced
That's it, two utilities almost everybody has installed.Much as I love kākāpō there is no way I was going to invest more than a few minutes in figuring out how to do that.
I love this new world where I can "delegate my thinking" to a computer and get a GIF of a dumpy New Zealand flightless parrot where I would otherwise be unable to do so because I didn't have the time to figure it out.
(I published it as a looping MP4 because that was smaller than the GIF, another thing I didn't have to figure out how to do myself.)