Please enable JavaScript.
Coggle requires JavaScript to display documents.
1 (Introduction, aim of study, structure of the rhamphastid bill, bill…
1
Introduction
-
-
beak growth rate
-
-
in Toucans, the rhinotheca grows approximately 0.5 cm over a two-year period
-
The rate of growth of the gnathotheca is about two to three times faster than that of the rhinotheca
investigation of both materials, primarily keratin and mineralized collagen
-
-
-
-
-
-
missing point :
no attempts were made to correlate results of mechanical tests or structural characterization with gender or age of host, in this study.
-
-
-
Beak keratin contains a relatively small amount of sulfur and a minimal amount of calcium is measured by EDX