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Australian lizards are attracted to females with the brightest orange patches -- but preferably not too large -- on their underbelly, according to research. Lake Eyre dragon lizards are found exclusively in salt deserts in southern Australia, where they feed on dead insects. When females become fertile they develop bright orange patches on their normally pale underbelly and change their behavior towards males: instead of "waving them away" with their forelegs or fleeing, they let the males court them with showy behavior like push-ups and head bobs. Males were most attracted to females with small, bright orange patches and tended to avoid those with larger, paler ones. It is thought that bright color is attractive as it indicates peak female fertility. Pregnant females retain their coloration until laying and very large orange spots suggest the female is swollen with eggs and no longer interested in mating.
Published On: 28-Feb-14 07:45 AM
Source: ScienceDaily
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Published On: 28-Feb-14 07:45 AM
Source: ScienceDaily
Go to Original Article