Animal Sex Archive
24 July 2013, 08:13 AM ET
Scientists have never documented blue whales mating, but they know there is a dating period where a male follows a female for weeks on end. And sex is not a forgone conclusion for the couple, it seems.
01 July 2013, 11:39 AM ET
This ugly parasitic fish generates heat when potential mates swim by.
26 June 2013, 07:05 PM ET
Females use one shot of sperm to fertilize their eggs for the rest of their lives.
17 June 2013, 05:20 PM ET
Tough love: After mating, male fishing spiders spontaneously die.
04 June 2013, 07:01 PM ET
Rather than fertilizing her eggs, the female squid scoops sperm up for a healthy snack.
30 May 2013, 07:42 AM ET
Most crabs prefer the missionary position while essentially "naked."
18 May 2013, 09:03 AM ET
It involves a peculiar male dance and multiple partners.
29 April 2013, 07:22 AM ET
Some male newts, sans any penises, use powerful pheromones to drive females wild.
17 April 2013, 08:02 AM ET
Are these fearsome predators gentle lovers?
08 April 2013, 02:34 PM ET
With all the interest in duck sex these days, a lecture by the discoverer of gay mallard necrophilia seems timely.
05 April 2013, 08:34 AM ET
Let's just say the risky business involves pedipalps covered in sperm juice.
01 April 2013, 11:48 AM ET
Bats show a surprising range of sexual behavior.
25 March 2013, 04:16 PM ET
Not tonight, honey, I have a spike in my crotch.
25 March 2013, 10:08 AM ET
The sensual mating dance involves rubdowns and bubble-blowing.
15 March 2013, 09:20 AM ET
They may share most of our DNA, but their sex style is much bolder than most human sex.
06 March 2013, 10:18 AM ET
Scientists are unveiling a rare Pacific octopus with a taste for eating its partners during sex
04 March 2013, 08:46 AM ET
The fuzzy insects go all out for sex with acrobatics and death for the male.
20 February 2013, 01:46 PM ET
Unlike many other reptiles, alligators use a penis that is always erect and pops out of their bodies to mate.
19 February 2013, 07:01 PM ET
Birds and other monogamous animals may continue to make showy mating displays after pairing up because it increases their children's survival.
14 February 2013, 11:09 AM ET
Strange mating behavior may keep snails from fooling around with other beaus.
14 February 2013, 08:21 AM ET
From dinosaur sex and monkey harems to fossil turtles getting it on, here's a look at lust in the animal world.
12 February 2013, 07:01 PM ET
Male guppies prefer ladies surrounded by drab male suitors, upping their chances for action.
12 February 2013, 07:01 PM ET
Nudibranch, a species of mollusk that maintains two sexes at once, use an easily regenerated, disposable penis to have frequent sex
12 February 2013, 11:00 AM ET
Nobody wants to get caught cheating, baboons included.
12 February 2013, 11:00 AM ET
One alpha male has access to many females, while other males must quietly cheat to get any sex.
16 January 2013, 04:08 PM ET
While barnacles have extra-long penises to transfer sperm to other stationary barnacles, they broadcast sperm to reproduce with more distant mates
11 September 2012, 07:01 PM ET
Two species of pit vipers had litters in the wild without help from a mate.
31 August 2012, 11:19 AM ET
Compared with their monogamous counterparts, promiscuous mice have developed a much more robust immunity.
30 August 2012, 11:37 AM ET
Yes, this newly discovered fish sports its sex organ on its chin.
22 August 2012, 05:44 PM ET
Why sea slugs put up with penis spines and syringe-like appendages.
12 August 2012, 02:27 AM ET
This week we found some exceptionally cool stories from outer space, with a few thrown in from around our home planet. Check these out.
09 August 2012, 08:15 AM ET
Journalists and scientists should avoid drawing human conclusions from animal studies, they say.
23 July 2012, 12:01 PM ET
Males' copulation clicks out them to bat predators.
17 July 2012, 07:01 PM ET
Long sex sessions leave dumpling squid vulnerable to predators.
19 June 2012, 07:01 PM ET
The little mating turtles likely died from toxic gases as they sank into an ancient lake.
19 June 2012, 07:01 PM ET
Some 47 million years ago, these mating turtles were likely killed by toxic gases.