hummingbirds: Landmark data from hummingbird bills (includes sliding semilandmarks on curves)
Description
Landmark data from hummingbird bills (includes sliding semilandmarks on curves)
Arguments
References
Berns, C.M., and Adams, D.C. 2010. Bill shape and sexual shape dimorphism between two species
of temperate hummingbirds: Archilochus alexandri (black-chinned hummingbirds) and Archilochus colubris
(ruby-throated hummingbirds). The Auk. 127:626-635.