Brown-headed cowbirds have a reputation for being deadbeat parents: They lay their eggs in other birds' nests and then disappear, the story goes, leaving the care and feeding of their offspring to an unwitting foster family. ...
Plants & Animals
Sep 9, 2015
0
168
Unlike most mammals, mature male orangutans exhibit different facial characteristics: some develop large "cheek pads" on their faces; other males do not. A team of researchers studied the difference in reproductive success ...
Plants & Animals
Sep 1, 2015
1
186
When it comes to reproduction, not every individual equally pulls his or her weight. Dana Herman and Mark Colwell of Humboldt State University spent 13 years tracking the successes and failures of almost 200 individual Snowy ...
Plants & Animals
Aug 12, 2015
0
17
Despite recent recovery efforts and substantial reproductive potential in the south west brush-tailed bettong (Bettongia penicillata) numbers continue to decline in the wild due to predators and parasites.
Plants & Animals
Jun 10, 2015
0
9
Men and women often enter relationships with different long-term goals. In the animal world, differences in approaches to reproductive success can lead to sexual conflict.
Plants & Animals
May 28, 2015
0
38
Male Callosobruchus chinensis seed beetles have spines on their genitalia, which increase their fertilization success but injure a female's reproductive tract—especially a female of a related species called Callosobruchus ...
Evolution
May 19, 2015
0
101
Life as a wild baby bird can involve a lot of stress; competing with your siblings, dealing with extreme weather, and going hungry due to habitat loss are just a few examples. However, birds have an amazing capacity to overcome ...
Plants & Animals
Apr 22, 2015
1
26
When the chips are down, having a strong personality may be the difference between thriving and failing, according to new research which studied how aphids reacted when faced with predatory ladybirds.
Plants & Animals
Feb 2, 2015
1
44
Violent conflict may, under certain conditions, offer a biological benefit to those who take part in it, a Harvard study has found.
Other
Dec 29, 2014
92
0
What is it that makes rockstars so attractive to the opposite sex? Turns out Charles Darwin had it pegged hundreds of years ago – and it has a lot to do with peacocks.
Plants & Animals
Jul 21, 2014
3
0
