Orange-bellied parrot
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The orange-bellied parrot is a small parrot endemic to southern Australia, and one of only three species of parrot that migrate. It was described by John Latham in 1790. A small parrot around 20 cm lo
Neophema chrysogaster male Melaleuca
Female or male
Nesting boxes intended for use by orange-bellied parrots in Melaleuca, South West Tasmania
Sexual dimorphism
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Sexual dimorphism is the condition where different sexes of the same species exhibit different morphological characteristics, including characteristics not directly involved in reproduction. The condi
Orange-bellied parrot
…and one of only three species of parrot that migrate. It was described by John Latham in 1790. A small parrot around 20 cm (8 in) long, it exhibits sexual dimorphism. The adult male is distinguished by its bright grass-green upper parts, yellow underparts and orange belly patch. The adult female and juvenile are…
Mandarin ducks, male (left) and female (right) depicts the male having more color vibrancy compared to his female counterpart, illustrating the dramatic difference in plumage between them, a manifestation of sexual dimorphism
The peacock, on the right, is courting the peahen, on the left.
Male (bottom) and female mallards. The male mallard has an unmistakable bottle-green head when his breeding plumage is present.
Orgyia antiqua: male with developed wings (left) and female with vestigial wings (right)