order pelecaniformes การใช้
- Like other birds in the order Pelecaniformes, they have four webbed toes.
- As with other members of the order Pelecaniformes, they have webbed feet with four toes.
- Pelicans are very large water birds with a distinctive pouch under their beak Like other birds in the order Pelecaniformes, they have four webbed toes.
- In response to these findings, the International Ornithological Congress ( IOC ) recently reclassified Ardeidae and their sister taxa Threskiornithidae under the order Pelecaniformes instead of the previous order of Ciconiiformes.
- Long thought to be related to frigatebirds, cormorants, tropicbirds, gannets and boobies, pelicans instead are now known to be most closely related to the shoebill and hamerkop, and are placed in the order Pelecaniformes.