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Tag: Animal evolution

Zebra Stripes Used To Regulate Heat, Study Finds

Why do zebras have stripes? Previous research found that it is probably to ward of biting insects, but a new one suggests it could also be helping zebras with thermoregulation.

Animals June 14, 2019

Winged Dinosaurs Learned To Fly As A Side Effect Of Running

Scientists believe the Caudipteryx may hold the secret to explaining how animals first learned how to fly. The running gait of this early dinosaur caused its wings to involuntarily flap, which may have been a precursor to flight.

Ancient May 5, 2019

Ancient Coelacanth Fish Study Reveals Insights On Skull Evolution

A new study has revealed marvelous insights on the skull of the ancient coelacanth fish, which is known as the 'oldest living fossil.' The findings offer a deeper understanding on skull evolution of vertebrates and other animals.

Ancient April 19, 2019

Mammals Had Developed Unique Arms Before The Dinosaurs Existed

Scientists in the United States may have found an explanation as to how mammals ended up with diverse sets of arms. They believe the animals already had this trait some 30 million years before the earliest dinosaurs even existed.

Animals March 20, 2019

2 Raven Species Merge Through Evolutionary Process 'Speciation Reversal'

Two different lineages of common ravens that have separated and evolved from each other millions of years ago merged again as one. This evolutionary process is known as speciation reversal or lineage fusion.

Animals March 7, 2018

Rare Bristle Worm Fossil Hints How Modern Earthworms Developed Their Heads

Among the 20,000 fossils uncovered at Burgess Shale, one was found to contain soft tissue belonging to a 2-centimeter worm. It gave scientists strong evidence that in their early evolutionary stages, worms had a far different appearance.

Animals January 22, 2018

This Prehistoric Giant Crocodile Had T-Rex-Sized Teeth

Scientists have discovered the remains of a massive crocodile-like creature with T-rex-sized teeth in Madagascar. The new discovery may help uncover the mystery behind the 74-million-year-long gap in the evolutionary history of crocodiles.

Animals July 5, 2017

Researchers Investigate Seahorse Evolution Using Genome Sequencing

Using genome sequencing, scientists have identified various genetic factors that give seahorses their unique body structure. These include genes that allow males to carry and give birth to their offspring in their brood pouch.

Animals December 15, 2016

Mutant Fish Evolved To Withstand Lethal Levels Of Toxic Waste In Polluted Waters

The atlantic killifish has evolved to be 8,000 times more resilient to toxic waste than other species of fish. High levels of genetic variation allow the fish to adapt to industrial pollutants that would normally kill them.

Animals December 10, 2016

Where Did Hair, Feathers And Scales Come From?

Evolutionary biologists have long wondered whether mammalian hair, avian feathers and reptilian scales have some sort of evolutionary link. A new study in Switzerland may shed light on the matter.

Animals June 25, 2016

How Snake Species Evolved To Have Ability To Eat Toxic Newts

Garter snakes and some snake species today are only able to eat toxic newts because their ancestors evolved. What did ancient snakes develop to survive?

Animals June 11, 2016

Genome Analysis Reveals How Giraffes Developed Exceptionally Long Necks

Why the long neck? Because of unique evolutionary adaptations, giraffes have reached such great heights. Researchers determine the genes responsible for this development.

Animals May 18, 2016

First-Ever Fossilized Heart Found In Ancient Fish Could Shed Light On Evolution

A group of European and Brazilian paleontologists achieved two feats. They did not only uncover the first-ever fossilized heart in a marine vertebrate, but they may also help fill the gap of the species’ evolution.

Animals April 21, 2016

Lystrosaurus Changed Breeding Behavior To Survive Drastic Climate Change

Although most species were wiped out by an extreme extinction event millions of years ago, the therapsid Lystrosaurus survived. How did they do it? By changing their breeding behavior.

Animals April 7, 2016

Sperm Whales Have The Largest Forehead In The Animal Kingdom With Perfect Architecture For Aggressive Ramming

A new study hypothesized that sperm whales may be capable of ramming, making 'Moby-Dick' less fictitious. However, is their unique head truly designed for ramming?

Animals April 6, 2016

This Horse-Sized Dinosaur Might Explain How The T. Rex Became The Apex Predator

An international team of scientists has discovered the remains of a new tyrannosaur that could help provide more insights as to how these dinosaurs were able to become such massive creatures. The Timurlengia euotica showed traits that were similar to both the smaller tyrannosauroid and the larger tyrannosaurus rex.

Animals March 15, 2016

Deep-Sea Creature 'Purple Socks' May Hold Clue To Evolution Of Animal Life

Researchers from Australia and the United States have discovered four new species of purple sock-like creatures that belong to the genus Xenoturbella. This allowed them to identify the placement of the creatures in animal tree of life.

Earth/Environment February 5, 2016

Tiny Chameleon Makes Up For Diminutive Size With Strongest, Quickest Tongue (Video)

The smaller the chameleon, the mightier its tongue, study finds. To capture an insect meal, a chameleon's tongue out-accelerates and out-powers that of any other reptile, bird or mammal based on body size and muscle mass.

January 5, 2016

DNA Sequencing Reveals Parasite Myxozoan Could Be A Tiny Jellyfish

A new study revealed that the Myxozoa are actually tiny jellyfish that went through degeneration. Scientists said the discovery could change the way we understand the evolution of animals.

Animals November 19, 2015

Study Finds Crocodiles 'Keep An Eye Out' To Stay Safe During Sleep: 3 Other Animals With Unusual Sleep Behaviors

A team of scientists in Australia have found that crocodiles engage in a sleeping behavior known as unihemispheric sleep wherein they keep a watchful eye open during rest. Other members of the animal kingdom are also known to carry out unusual sleep behaviors that may have evolved out of necessity.

Earth/Environment October 25, 2015

Evolutionary Clues Reveal How The Giraffe Got Its Long Neck

The reason behind the giraffe's long neck baffled the scientific community for years. In a new study, scientists found that the giraffe's vertebrae stretched in several stages a few million years apart.

Animals October 8, 2015

Bumblebees Getting Shorter Tongues And Other Ways Species Are Adapting To Climate Change

A warming environment is forcing bumblebees and other species to evolve so they can adapt and survive the growing threats they are facing due to climate change.

Earth/Environment October 3, 2015

Cats Are Evolutionarily Superior To Dogs Says Study

A new study conducted by international team of researchers suggests that competition between ancient species of cats and dogs have ultimately played a crucial role in the evolution of canines.

Earth/Environment August 15, 2015

Predator Or Prey? Shape Of Eye Can Reveal Animal's Place In Food Chain

Whether an animal is hunter or the hunted is reflected in the evolution of its eyes, researchers find. Pupil shape identifies a creature's ecological niche, they say.

August 9, 2015

Researchers Discover That Fishes Are Beginning To Evolve The Ability To Avoid Fishing Nets

Scientists at the University of Glasgow have found that pressure from intensive fishing could potentially lead to evolutionary changes within wild fish populations, making them more adept at avoiding capture through conventional fish catching techniques such as trawling.

Earth/Environment August 5, 2015

Find Penis Worm Interesting? Wait Until You See Its Cheese Grater-Like Teeth

Scientists from the University of Cambridge and the University of Leicester have studied the development of the razor-sharp teeth of penis worms in order to create a better system of identifying fossils using dental structures.

Earth/Environment May 9, 2015

Amazonian Bird Avoids Being Eaten By Mimicking Toxic Caterpillar

Chicks of a tropical bird species make themselves safe in their nests by mimicking the color and movement of a poisonous caterpillar, naturalists find. It's an evolutionary trick that lets a vulnerable species appear to be a protected one, they explain.

Animals February 24, 2015

Weird Bone Worms Get Even Weirder with Discovery of Species' Mega Males

Weird "zombie worms" of the deep ocean get even weirder with discovery of new species. Males of the new species have experienced "reverse" evolution, researchers say.

Animals December 12, 2014

Opportunity, Not Necessity, Gave Rise to Primates' Inventions

When opportunity knocks, non-human primates take advantage of it and learn tool use, researchers say. The local environment provides both the opportunity and the reason for tool use, they suggest.

November 13, 2014

Hummingbirds seem sweet, but they fight dirty

Hummingbirds may have evolved long, sharp beaks as weapons, rather than just for getting at nectar in flowers, study find. Males competing for mates use their sharp beaks as swords, researchers say.

Animals November 4, 2014

How Archerfish shoots water at target with amazing precision mystery FINALLY solved

Archerfish hunt prey using a jets of water that stream from their mouths. New research shows how the animal accomplishes the task.

Animals September 5, 2014

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