Assertion: cassowary's wattle | /r/HasProperty | best field guide
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text: From my notes (so, sorry, no complete refs) it also seems that females are more brightly coloured than males: Pizzey (1991) states 'female averages slightly larger, heavier than males... wattles and skin of neck brighter', Simpson and Day (1994) [best field guide on extant dinosaurs ever published] says 'females slightly larger, brighter coloured'.