Editing Nest (section)

===Amphibians===
[[File:Spawn hatching.JPG|thumb|[[Paradise fish]] begin to hatch from a bubble nest.]]
Some species of frog build nests ranging from simple to modest complexity.<ref name=Britannica /> Many stream-dwelling frogs lay their eggs in a gelatinous mass which they attach to underwater vegetation to prevent eggs from washing away.<ref name="SDNMH" /> Nests can have other protective qualities. For example, the female [[Fletcher's frog|Fletcher frog]] beats secreted mucus into a froth, creating a structure that serves as a line of defense against thermal extremes, predation, and desiccation.