An­i­mal ar­chi­tects

World of Animals - - What’s Inside... -

Find out how foam nest frogs build im­pres­sive frothy struc­tures for their young

Chi­ro­man­tis is a genus of frogs found in South­east Asia and the sub-Sa­ha­ran trop­ics of Africa. These frogs are known as the foamnest tree frogs be­cause of the im­pres­sive frothy struc­tures they cre­ate when rain sig­nals the start of the breed­ing sea­son. While the foam nests may ap­pear sim­ple in com­par­i­son to other feats of an­i­mal ar­chi­tec­ture, they have some pe­cu­liar prop­er­ties, and, in the case of the grey foam-nest tree frog, are the work of many de­ter­mined legs.

spa­cious home The thrash­ing limbs of sev­eral en­thu­si­as­tic frogs al­low a mother to build a foam nest many times big­ger than her­self. Com­plex build­ing ma­te­ri­als Pro­teins within the fe­male’s se­cre­tion have an­timi­cro­bial prop­er­ties and act as sur­fac­tants to sta­bilise the foam. air sup­ply The bub­bly foam con­tains all the oxy­gen the de­vel­op­ing tad­poles need while they’re in the nest. Grey foam-nest tree frogs spendmore time in the trees than inthe wa­ter

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