Males that mate more often are more insecure about their social status than those mating less, according to new research on the behaviour of burying beetles.
Evolution
Mar 9, 2015
0
265
In 1859, Charles Darwin coined the term "living fossils" to describe organisms that show little species diversity or physical differences from their ancestors in the fossil record. In a new study, Yale researchers provide ...
Plants & Animals
Mar 4, 2024
0
2537
A study, led by the University of Bristol, has shed some new light on how the beaks of birds have adapted over time.
Plants & Animals
Jan 22, 2019
0
482
Dispersal and adaptation are two fundamental evolutionary strategies available to species given an environment. Generalists, like dandelions, send their offspring far and wide. Specialists, like alpine flowers, adapt to the ...
Evolution
Apr 28, 2015
0
7
A new study offers not only a sweeping analysis of how pollination has evolved among conifers but also an illustration of how evolution—far from being a straight-ahead march of progress—sometimes allows for longstanding ...
Evolution
Apr 27, 2015
0
40
(Phys.org) —Both whales and dolphins have pelvic (hip) bones, evolutionary remnants from when their ancestors walked on land more than 40 million years ago. Common wisdom has long held that those bones are simply vestigial, ...
Evolution
Sep 8, 2014
7
0
Modern dog breeds that are genetically more distant from wolves have a relatively larger brain size compared to ancient breeds that are thousands of years old, according to the findings of Hungarian and Swedish researchers. ...
Evolution
May 12, 2023
0
1089
The common cuckoo is known for its deceitful nesting behavior—by laying eggs in the nests of other bird species, it fools host parents into rearing cuckoo chicks alongside their own. While common cuckoos mimic their host's ...
Plants & Animals
Oct 2, 2020
0
96
Australian National University biologists have found the first evidence of mass extinction of Australian animals caused by a dramatic drop in global temperatures 35 million years ago.
Evolution
Mar 23, 2017
9
309
Natural selection is usually understood in the context of change. When organisms deviate from the norm, they may gain advantages that let their lineages outlast those of their less-adaptable relatives.
Plants & Animals
Aug 23, 2023
1
229
