Sentences with phrase «nesting modern birds»

By studying the microscopic structure of the eggs, Dr. Varricchio and I were able to determine that the animal buried its eggs in a vegetation mound or nested in a humid environment - more like some reptiles than most open - nesting modern birds.

Not exact matches

«Larry Martin, a paleontologist from the University of Kansas, said clearly in 1985 that the archaeopteryx is not an ancestor of any modern birds; instead, it's a member of a totally extinct group of birds.»»

Truthfollower: «Larry Martin, a paleontologist from the University of Kansas, said clearly in 1985 that the archaeopteryx is not an ancestor of any modern birds; instead, it's a member of a totally extinct group of birds.»»

A transitional form is a proof of principle, it simply does not need to be the direct ancestor of modern birds.

We need a national bird that can withstand the everyday toxins of modern American life, not some oversensitive eco-wimp.

Even the point about what is best for other creatures, which may seem very modern, is not without foundation in Hebrew Scriptures in such passages as the law against taking the hen - bird as well as the eggs from the nest (Deut 22:6), or this saying from Proverbs: «A righteous man has regard for the life of his beast» (12:10), where, be it noted, the quality that makes a man considerate of his working animals is not prudence or good business sense but «righteousness,» a point all the more significant when we remember that in the Hebrew Scriptures one of the marks of righteousness is not mere evenhandedness but active favor to the weak and deprived.

I am wanting to create a logo of a papa, mama and baby bird snuggled together in a nest... sorta simple / modern / cute, like a silhouette kinda.

The study also gives paleontologists new reason to scrutinize early Paleocene rocks, not to mention existing museum collections, for signs of other representatives of modern bird groups, Witmer says.

Archaeopteryx remains the oldest known bird fossil, not only documenting the evolutionary transition from reptiles to birds, but also confirming that modern birds are the direct descendants of carnivorous dinosaurs.

He adds that the flight would have been a bit different from modern birds: Archaeopteryx's shoulder joint would not have allowed it to beat its wings in the same fashion, meaning the feathered dino must have used a specialized flapping motion.

«We can be sure of the source because the vertebrae are not fused into a rod or pygostyle as in modern birds and their closest relatives.

Archaeopteryx doesn't have several features considered essential to flight in modern birds, such as a keeled breastbone to which several important flight muscles attach; a ball - and - socket arrangement that allows the wing to flap fully up over the back and down again; and a muscle pulley system that links chest and shoulder muscles, allowing the birds to swiftly alternate between powerful downstrokes and upstrokes.

Habib's presentation, along with others exploring what ancient birds could and could not do, has sparked intense interest in variations between the anatomies of modern birds that display different behaviors.

The standard explanation is that the evolution of the modern groups of mammals and birds didn't get under way until after that.

Today's birds are actually modern - day dinosaurs, and share many characteristics with non-avian dinosaurs that went extinct, such as nesting and burrowing.

Fossil bones don't clearly show whether modern - type birds fluttered about during the Cretaceous, but the treads in Shandong do, painting an improbable scene: Animals much like today's roadrunners were in fact scampering beside two - legged, plant - eating dinosaurs.

The resemblance of the fan to the tails of modern birds suggests «it would be a reasonably good pitch and roll generator» in flight, says Michael Habib of the University of Southern California in Los Angeles, who was not involved in the study.

That's about the same size as modern - day hummingbirds and sunbirds, but the ancient bird isn't related to them or to any of today's hundreds of species of birds that get their nutrition from flowers.

Not only does the bird look nearly modern, but it was apparently a water dweller, showing that «ancient birds became specialized in their respective habits» very early, says paleontologist Luis Chiappe of the Natural History Museum of Los Angeles County in California.

Modern birds use their feet in order to interact with their environment in numerous and complex ways — relying on them for locomotion, prey capture, grooming, perching, nesting, and even fighting among themselves or for defense from predators or competing species.

Yeah, it's not much of a joke, but this little encounter underlines the current scientific divide on the link between modern birds and prehistoric dinosaurs.

It's unlikely that the feather belongs to any lineages of modern birds, since those don't show up for another 25 million years or so.

«They could not have been the ancestors to modern birds,» Lü explained.

The results, published in Nature Communications, show that the wings of Archaeopteryx could manage occasional flights, but could not facilitate advanced tours that modern birds can undertake.

The dinosaur Archaeopteryx is widely regarded as one of the earliest ancestors of modern birds, but the question of whether or not it could actively fly has been debated for decades.

While the majority of dinosaur eggs were buried in hopes of protecting their offspring, there were a number of species that built nests and took care of their offspring similar to how modern birds do today.

It is still a possibility, however we rarely see it in parrots eating modern seed based diets (still not adequate for your bird), soft / fresh food diets or pellets.

It has both modern marvels and famous temples and gardens woven through the buzzing metropolis (the capital's modernization drive prior to the 2008 Beijing Summer Olympics led to the creation of iconic new buildings like the CCTV Tower, Bird's Nest, and Water Cube).

After time to explore this magnificent piece of ancient engineering at your own pace, you return to Beijing, pausing en - route at the Bird's Nest and the Water Cube - examples of Beijing's modern architecture - for a photo opportunity.

He collaborated with the Swiss architects Herzog and de Meuron as artistic adviser on the design for the Bird's Nest Olympic Stadium — one of the most strikingly successful buildings in modern China.

«However the modern wind industry knows how to avoid these problems so long as their feet are held to the fire to ensure they carry out mitigating measure such as proper location, proper siting, proper spacing, slow moving easily visible blades, towers that don't make good nesting sites to attract birds and so on.»

The fact that fossil carbon is bad does not make wind turbines and solar panels and bird frying solar concentrators good, unless, by some miracle of modern engineering, the wind and sun that coal replaced can win back an industrial world with seven to ten times the demand for energy.

In fact, this peer - reviewed analysis determined that modern climate change was not negatively impacting these vulnerable habitats and bird populations.

I don't understand how people can be so concerned about birds becoming mush with modern wind turbines, especially ones this big.

Bird wallpapers are always firm favourites but why not go for an unashamedly modern version for a living room with a difference?