Sentences with phrase «of peacock tails»

Lüpold says that such interactions underlie the coevolution of sperm - female tract traits observed in numerous taxa: «Giant sperm tails represent the cellular, postcopulatory equivalent of peacock tails, having evolved mainly through female sperm choice.»

the body of black wool and lapped about with the herl of the peacock tail: and the wings of the red capon with a blue head.

The shell fly at saint Thomas day, the body of green wool and lapped about with the herl of the peacocks tail: wings of the buzzard.

Not exact matches

Have you further noticed how some of the most beautiful things are connected with mating, everything from blossoms, birdsong and even the peacock's tail?

«It's the acoustic equivalent of a peacock's tail,» Cranford said.

The need to pass genes to future generations is so critical that in some species, males put a lot of energy into generating these sex - specific features — a peacock's elaborate tail feathers or an elephant seal's massive, territory - defending body size, for example.

Genetic conflicts over physical traits that help one sex but harm the other sometimes appear to be settled by a trait evolving to develop only in the sex it benefits, as with the flamboyant tails of male peacocks, for instance.

For one thing, sexual selection only explains why secondary sexual characteristics in males (the peacock's tail, the rooster's wattle, the unwieldy antlers of the Irish elk) become exaggerated.

The way water in this picture found its way back to the ocean reminded me of a peacock's tail spreading under the sun or a woman's hair blowing in the wind.

A peacock's ornate tail may be the best - known example of a mate - attracting ornament, but a new study finds that peacock tails have nothing on a tail of another kind.

In particular, Roughgarden, an evolutionary biologist at Stanford University in California, takes issue with sexual selection, the portion of evolutionary theory that seeks to explain why male peacocks have big, showy tails, why eggs are bigger than sperm, and...

Showy ornaments used by the male of the species in competition for mates, such as the long tail of a peacock or shaggy mane of a lion, could indicate a species» risk of decline in a changing climate, according to a new study from Queen Mary University of London (QMUL).

The canonical example of sexual selection, the male peacock (in this image, an Indian blue peacock) is renowned for its iridescent blue - green plumage, elaborate feather train, and iconic «eyes,» the colorful markings on its tail feathers.

«The sight of a feather in a peacock's tail, whenever I gaze at it, makes me sick!»

Now we have the first idea of just what a peahen looks for in a peacock's tail — and for such an icon of evolutionary biology, the answer is surprisingly little.

Even when a peacock's tail is raised, the peahens ignore him almost two - thirds of the time.

A team led by Jian Zi of Fudan University in Shanghai examined peacock tail feathers using both an optical microscope and a scanning electron microscope.

The famed naturalist suspected that insect genitalia, which are frequently festooned with bizarre combinations of hooks, spines, and knobs, essentially functioned like peacock tails.

The changing hues of a peacock's splendid tail feathers have always captivated curious minds.

One theory holds that such traits are signs of genetic vigor; a peacock that can grow a giant tail must look healthy and strong, a virile symbol of malehood, to a peahen.

Darwin argued, and many researchers believe, that sexual selection — competition for mates — is the driving force for the evolution of such foppish ornamentation as a male peacock's tail and the stunning turquoise, white, and chestnut coloration of an adult male lazuli bunting.

«Darwin's female - choice theory has become the foundation for explaining the presence of exaggerated secondary sexual traits in many males, such as the peacock's tail feathers,» says evolutionary biologist Rama Singh, an author of a paper in the journal PLOS ONE that explains the findings.

«Sex explains the presence of the peacock's tail, the stag's antlers and the male bird of paradise's elaborate dance.

Some people have argued that human head hair serves the purpose of conspicuous consumption much like the peacocks tail.

It burdens the peacock because of the expenditure of resources needed to create the tail in the first place and physical burden of carrying round a large colourful tail that makes it easy to spot and difficult to hide from predators.

LoveinSoap.com shows you how to make a peacock tail or swirled batch of soaps.

The ruffles of this dress look like I have my own tiny, rainbow - colored peacock tail.

The model shot online must be pinned to holy heck — I bet if she turned around you'd have a peacock tail worth of material hiding back there.

Why does she end the novel with a peacock's tail pushing through the net of its captor?

Deep green and dense burgundy rooster feathers; a white tail feather from a dove; a sparrow feather, dust brown, dotted with dark blotches; and the one of which Pari was proudest, an iridescent green peacock feather with a beautiful large eye at the tip.

On board one such vessel, the captain's log includes the tusks and legs of elephant herds; rubies, emeralds, topaz; fragrant mountains of cinnamon, cardamom, mustard seeds; forests of bony, teak, and sandalwood; screeching peacocks; caged and pacing leopards; ten - foot - long monitor lizards whipping their razor tails; barrels of fermented coconut toddy; the jewel - encrusted thrones of Kandyan kings; the weapons of Chola warriors; priceless texts in Pali and Sanskrit, Sinhala and Tamil.

The scraps of cut - off fabric that usually line the bottom are floating in kerosene - rippled water, the emeralds and sapphires of a peacock's tail flashing on its moonlit surface.

In a peacock's mother - of - pearl tail, precisely arranged hairline grooves reflect light of certain wavelengths.

Some of the highlights seen during this dive included: Hermit and Sponge Crab, Peacock - tail Anemone Shrimp, flatworms and also a few scorpionfish.

Some of the findings were: Peacock - tail Anemone Shrimp, Porcelain Crab, Soft Coral Pipefish, and more.

Some of the highlights seen during this dive included: octopuses (including a juvenile one), Hermit Crab, Peacock - tail Anemone Shrimp, flatworms and also a male Epaulette Shark.

A viewer of Spectrums should not be alarmed, then, to notice a human arm aboriginal to an eddy of denim scraps, plaid scarves, silk flowers, and peacock feathers — holding its own braided string like a balloon — like a dragon reaching for its tail — like the unselfconscious energy of turning inward — like an autonomous cosmos.

Today, however, it is often described as a composite of many birds including the head of a golden pheasant, the body of a mandarin duck, the tail of a peacock, the legs of a crane, the mouth of a parrot, and the wings of a swallow.

It is a beautiful fan that features the design of a peacock's vibrant tail.

The windows are cased in silver swags and tails that drape bountifully to the ground like a Disney princess» ball gown and the feature wall (no, the mirrored wall unit wasn't enough) is composed of a mural of butterflies, peacock feathers and supernatural animal heads...