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Re: Avian Feet
Posted: Sat Sep 05, 2020 12:23 am
by ExFmem
Semi-zygodactyly or ectropodactyly - Birds such as
ospreys, owls, mousebirds and some woodpeckers have the ability to rotate the outer digit (IV) forwards and backwards
Re: Avian Feet
Posted: Sat Sep 05, 2020 12:26 am
by ExFmem
Webbing
Semipalmate (
hamerkop, avocet, some plovers): a small web between the anterior digits (2–4)
Re: Avian Feet
Posted: Sat Sep 05, 2020 12:27 am
by ExFmem
Palmate (
ducks, geese, gulls, terns): only the anterior digits (2–4) are joined by webbing.
Re: Avian Feet
Posted: Sat Sep 05, 2020 12:29 am
by ExFmem
Totipalmate (
darter, pelican,
cormorant, gannet): all four digits (1–4) are joined by webbing
Re: Avian Feet
Posted: Sat Sep 05, 2020 12:29 am
by ExFmem
Lobate (finfoot, grebe, coot): the anterior digits (2–4) are edged with lobes of skin. Lobes expand or contract when a bird swims.
I have Grebe and American Coot pics, but none showing feet)
Re: Avian Feet
Posted: Sat Sep 05, 2020 9:52 am
by Richprins
Re: Avian Feet
Posted: Sat Sep 05, 2020 10:12 am
by Lisbeth
Re: Avian Feet
Posted: Sat Sep 05, 2020 6:25 pm
by Klipspringer
Re: Avian Feet
Posted: Sat Sep 05, 2020 6:53 pm
by Lisbeth
My Cape Spurfowl only has three + a spur
Re: Avian Feet
Posted: Sat Sep 05, 2020 7:04 pm
by Lisbeth
Three or four
Very clever!