Linked from

The 264 pages that link to Sexual dimorphism, each with the reason it gives.

• Haast's eagleRelated: Size differences among fossil specimens have been used to investigate sex-specific body size.

• Harlequin duckRelated: Male and female harlequin ducks differ markedly in plumage.

• Hercules beetleRelated: Male Hercules beetles bear prominent horns that females lack.

• Humphead wrasseRelated: Males commonly develop larger bodies and more pronounced head features than females.

• Japanese rhinoceros beetleRelated: The beetle's prominent horns make the sexes visibly different.

• KoelRelated: Male and female Asian koels differ strikingly in plumage.

• Lady Amherst's pheasantRelated: The male's elaborate plumage contrasts sharply with the female's subdued coloring.

• LapwingRelated: In some lapwings, crest length or plumage helps distinguish the sexes.

• Lar gibbonCompared with: Male and female lar gibbons have similar body sizes, unlike strongly dimorphic primates.

• Long-tailed duckRelated: Male and female long-tailed ducks differ in plumage and tail length.

• Macrobrachium rosenbergiiRelated: Males develop distinctive size and claw differences that affect growth and farming.

• Madagascar hissing cockroachRelated: Males have prominent pronotal horns used in contests, unlike females.

• ManakinRelated: In many manakins, males bear brighter plumage and more conspicuous display traits.

• MatingRelated: Sex-related trait differences can shape mate choice and mating behavior.

• MegaceropsRelated: Differences in brontothere skulls have been used to assess possible sex-related variation.

• Mountain goatRelated: Male mountain goats are generally larger, though both sexes grow horns.

• Northern pintailRelated: Male pintails have more conspicuous plumage and elongated tail feathers than females.

• Northern shovelerRelated: Breeding male and female shovelers differ markedly in plumage.

• PhalaropeRelated: Breeding female phalaropes are often brighter and more strongly patterned than males.

• Physical attractivenessRelated: Sex-typical facial and bodily traits can influence attractiveness judgments.

• Red-winged blackbirdRelated: The male’s conspicuous shoulder patches contrast with the female’s streaked, sparrow-like plumage.

• RicefishRelated: In some ricefish, fin shape and coloration help distinguish the sexes.

• Siamese fighting fishRelated: The sexes differ markedly in coloration and fin development.

• StrepsipteraRelated: Few insect orders show a sharper contrast between free-living males and embedded females.

• Swallowtail butterflyRelated: In several swallowtails, the sexes differ in coloration or pattern, sometimes through mimicry.

• Swan gooseRelated: Male swan geese are generally larger than females, though plumage is similar.

• UropygiRelated: In some vinegaroons, differences in pedipalp shape help distinguish the sexes.

• Animal sexual behaviourRelated: Mating competition and mate preferences can contribute to sex-specific traits.

• AntbirdRelated: In many antbirds, males and females differ strongly in plumage and pattern.

• Aphonopelma chalcodesRelated: Males and females differ in coloration, proportions, and mature appearance.

• Australian funnel-web spiderRelated: Male Sydney funnel-web spiders are more mobile and are implicated in many serious bites.

• Australian magpieRelated: Subtle differences in the backs of adult male and female magpies can help distinguish them.

• AustralopithecineRelated: Body-size differences in fossils complicate estimates of australopithecine social structure.

• BantengRelated: Male and female banteng differ in size and coat coloration.

• Barn swallowRelated: Tail streamers and plumage coloration differ between the sexes in this species.

• BirdwingRelated: Many birdwing species have dramatically different male and female wing colors.

• Black storkRelated: Male and female black storks look alike, making field identification by sex difficult.

• Blue-eared pheasantRelated: Comparing the sexes helps characterize this pheasant’s size and appearance.

• BrantaRelated: Comparing the sexes helps distinguish species traits from individual variation in Branta.

• Brow ridgeRelated: Average brow-ridge prominence often differs between adult sexes, though distributions overlap.

• Chevalière d'ÉonCompared with: Eighteenth-century arguments about d'Éon's body often treated anatomy as decisive evidence of identity.

• Chinese water dragonRelated: Adult males commonly develop more pronounced crests and larger heads than females.

• ChitalRelated: Male chital grow antlers; females do not.

• Comb and wattlesRelated: Comb and wattle size often differ between male and female chickens.

• Common blackbirdRelated: Male and female common blackbirds differ markedly in plumage and bill color.

• Common collared lizardRelated: Adult males and females differ in coloration and other visible traits.

• Common death adderRelated: Body size differs between the sexes in common death adders.

• Common walkingstickRelated: Males and females differ in size and coloration.

• Coolidge effectRelated: Sex and species influence how strongly the effect appears in experiments.

• Cuckoo-rollerRelated: Male and female cuckoo-rollers differ in plumage, especially in the male’s barred underparts.