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tag animal behavior speciation evolution

Hybrid Animals Are Not Nature’s Misfits
Ashley Yeager | May 1, 2021 | 8 min read
In the 20th century, animals such as mules and ligers that had parents of different species were considered biological flukes, but genetic sequencing is beginning to unravel the critical role of hybridization in evolution.
Sex wars drive evolution
Tudor Toma(t.toma@imperial.ac.uk) | Jun 25, 2003 | 1 min read
Speciation can occur rapidly in large populations through increased sexual conflict
Behavior Brief
Molly Sharlach | Dec 18, 2014 | 4 min read
A round-up of recent discoveries in behavior research
A pair of zebra finches in a cage
Animal Divorce: When and Why Pairs Break Up
Catherine Offord | Jun 1, 2022 | 10+ min read
Many species of birds and other vertebrates form pair bonds and mate with just one other individual for much of their lives. But the unions don’t always work out. Scientists want to know the underlying factors.
Speciation's Defining Moment
Nick Atkinson(natkinson@the-scientist.com) | Apr 10, 2005 | 6 min read
Evolutionary biologists, both theoreticians and empiricists, have argued for decades about the relative merits of two speciation scenarios: allopatry and sympatry.
Behavior Brief
Jef Akst | Oct 17, 2011 | 5 min read
A round-up of recent discoveries in behavior research
Cellular DNA and epigenetics
Do Epigenetic Changes Influence Evolution?
Katarina Zimmer | Nov 1, 2022 | 10+ min read
Evidence is mounting that epigenetic marks on DNA can influence future generations in a variety of ways. But how such phenomena might affect large-scale evolutionary processes is hotly debated.
Sly Guys
The Scientist | Jul 1, 2014 | 10+ min read
Across the animal kingdom, dominance isn’t the only way for a male to score. Colluding, sneaking around, or cross-dressing can work, too.
An illustration of green bacteria floating above neutral-colored intestinal villi
The Inside Guide: The Gut Microbiome’s Role in Host Evolution
Catherine Offord | Jul 1, 2021 | 10+ min read
Bacteria that live in the digestive tracts of animals may influence the adaptive trajectories of their hosts.
Cities Can Serve as Cauldrons of Evolution
Catherine Offord | Jan 1, 2019 | 10+ min read
From changes in gene flow to adaptation, the effects of urbanization are shaping the evolutionary trajectories of plants and animals.

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