Romantic love enables you to focus your mating energy on just one at a time, conserve your mating energy, and start the mating process with this single individual.

Your mating practices must be very complex.

They just walk around eating and not mating.

And, unfortunately, on YouTube, there's many cats mating videos.

Because the chimps have a very promiscuous mating society.

Now join me in the mating dance of Zion.

Your personal mating preference is no concern of mine.

Small population size, non random mating, mutations and gene flow.

In this case, life's greatest prize an appropriate mating partner.

So we go online, and we put in cats mating.

We've registered released animals mating in nature and having chicks.

Tool use must have enhanced our survival, mating and so on.

I think romantic love evolved to enable you to focus your mating energy on just one individual at a time, thereby conserving mating time and energy.

No, the peacock's tail results from the mating choices made by peahens.

This finger should remind you of mating, because a ring represents a couple.

The only cost in most flocks not even this a loss of free mating.

That is, to send more winged queens and males to that year's mating flight.

On the bottom tier, we have basic needs shelter, clothing, food, water, mating and so forth.

So this is the assortative mating hypothesis of these genes reinforcing one another in these structures.

Foremost, I have come to think that romantic love is a drive, a basic mating drive.

So we put in dogs mating, and, you know, we're watching it, and she's totally absorbed.

And down on the ground the deer were mating, even wild beasts like foxes or wolves.

And then she goes, Mom, do you think they would have, on the Internet, any humans mating?

Following Granny Oroku's warning... many of the raccoons abstained from mating... to keep the population under control.

And she's in the process of mating with this male, and there's another male on top waiting his turn.

And they will live for 15 or 20 years, continuing to lay eggs using the sperm from that original mating.

And they do that by each year sending out the reproductives those are the ones with wings on a mating flight.

And I've also come to think that it's one of three basically different brain systems that evolved from mating and reproduction.

It's the interchange of ideas, the meeting and mating of ideas between them, that is causing technological progress, incrementally, bit by bit.

In genetic algorithms, it's the same thing, except that the neighboring state comes by mating together two different states and combining them.

And it is He who, from fluid, created the human being. Then He made relationships through marriage and mating. Your Lord is Omnipotent.

So they went on about their business and from a foot away, we're watching mating and courting and fighting and it is just an unbelievable experience.

Now if this signal is used for males and females to find each other for mating and they're dispersed, imagine the impact this could have on the recovery of endangered populations.

And I've gone to more than 20 countries in the last few years with Mating in Captivity, and I asked people, when do you find yourself most drawn to your partner?

I was doing a pathetically slow speed of about 1.3 knots, and they were doing only marginally less pathetic speed of about 1.4 it was like two snails in a mating dance.

The story I wanted to do initially was just a small focus to look at the few weeks each year where these animals migrate down from the Canadian arctic to the Gulf of St. Lawrence in Canada to engage in courtship, mating and to have their pups.