You would need to check the Avonet details, but I will wager that those are wing-cord lengths, rather than wingspans.

Now that you mention it... the umbrellabird is way off too. I can believe umbrellabird wings are 25.9 cm long. (I've held a different species of umbrellabird.) I can believe pygmy tyrant wings are 3.2 cm long. (I've held a different species of pygmy tyrant.) My guess: a unit issue (mm not cm).

It must be expressed in mm.

Cool image! I don't think the smallest bird's wingspan is 32 cm though, is it?

Yes! Maybe with a Brown original cartoon on the back?

I think Joseph should wear a t-shirt with this written on it: "For those paying attention, Joseph entered the adventure game in a way we hadn't intended."

Yes! I saw two oystercatchers bathing in the tide pools at Bowdoin Scientific Station in the Bay of Fundy this spring. In this photo, I think I frightened one of the birds away from its bath:

I feel very happy to have you formally connected to our department, Natalie.