Sentences with phrase «female zebra»

In summary, we have demonstrated that sperm from different males are differentially stored in the SSTs of female zebra finches.

The study, published Monday in PLOS Biology, put male and female zebra finches into a room and let them pair up.

At the University's laboratory aviary, female zebra finches provide Dr Stowell with plenty of audio examples for his work.

They found that lowering prolactin either eliminated or drastically reduced both brooding and feeding the chicks for both male and female zebra finches.

«A female zebra would not admit the addresses of a male ass until he was painted so as to resemble a zebra,» Darwin wrote.

Estrogen levels quadrupled around the damaged area in both male and female zebra finches after researchers gave...

Female zebra finches brought up with both of their parents reacted in the «normal» way and preferred the courtship songs of potential suitors.

Sarah Woolley, professor at McGill's Department of biology, and graduate student Nancy Chen decided to investigate how developmental exposure to adult male song might affect behavioural responses to song in female zebra finches.

In other words, female zebra finches need to hear dad's singing to help her distinguish which suitor sings best.

Not exact matches

If a lion kills a zebra we don't call it «murder,» and if a great white forcibly copulates with a female, we don't call it «rap.e» If everything is objective to people, moral code being up for grabs, it seems quite feasible to live in a world where these things labeled as crimes are all just as ok as in the animal world!

Just because a zebra is male or female does not mean it bears God's image.

We saw giraffe and, moving far off, a herd of zebra; in a short span we caught glimpses of waterbuck, sable and sitatunga, of lechwe, warthog and a small sewing circle of lovely kudu females.

Scientists at the University allowed each pair of male zebra finches to mate with a female bird so that the long and short sperm from the males could compete to fertilize the female's eggs.

MALE zebra longwing butterflies sit on the pupae of females for up to 10 days before they hatch, ensuring they get first dibs at reproducing with them.

Normally, male zebra - finch brains have an area x, and female brains don't.

However, all birds, both male and female, have calls — including species such as the zebra finch, where the female never sings.

ZEBRA finches form monogamous lifetime partnerships, but males and females indulge in extramarital sex.

These findings suggest that song may serve as a generic social stimulus for male zebra finches, while females respond very selectively to their mate.

Zebra finches, however, are among the songbird species in which numerous males and females live in close proximity but maintain monogamous relationships.

How do gregarious songbirds such as zebra finches, where both males and females live in close proximity and where females may be attracted by the songs of many potential suitors, sustain monogamy?

Some birds chirp to show happiness, but when a male zebra finch sings to a female finch he's never met before, he's looking to have an affair.

Calls made by Zebra Finch females don't have acoustic features that would require rapid muscle control, but in other species females may produce calls that require the muscle control provided by superfast fibers even if they don't sing.

Zebra Finch males sing and females don't, and males have 85 % of the syrinx muscles made up of superfast fibers.

Lowering the hormone prolactin in zebra finches reduces the time and attention both males and females spend taking care of their chicks, the study found.

Read previous Zoologger columns: Unmasking the Zorro of the avian world, The worm that looks like a tree, The bird that cares for its rival's chicks, Itsy bitsy teeny weeny chameleons, Don't bite — how the zebra got its stripes, The only males with more brain than females, How a blurry - eyed spider pounces on target, Gecko's amputated tail has life of its own, Unique life form is half plant, half animal, Transgender fish perform reverse sex flip, My brain's so big it spills into my legs, Dozy hamsters reverse the ageing process, To kill a mockingbird?

Okay, so now that you know everything you ever wanted to know about zebra finch dating, back to the study: The female finches were given time to choose mates.

And also like humans, zebra finch females seem to have very singular taste.

The adult male zebra finch knows only one scratchy tune learned in its youth, which it performs repeatedly and intensely when females are listening.

The recent birth of a female Grevy's zebra foal at the Saint Louis Zoo marks another milestone in a long - running Washington University in St. Louis research partnership that is making significant contributions to the preservation of Grevy's zebra and the equally endangered African wild ass.

The females lose out in the appearance department too, with gray the predominant color, whereas the male bird has dramatic coloring that includes a red beak, orange on its cheeks, stripes on the throat (hence the zebra moniker) over a black bar on the breast, with chestnut - colored flanks with white spots.

Although some birds, like zebra finches, can become aggressive toward other birds of the same species, especially if housed in a small cage or if there are two males and only one female.