Examples are
flightless birds like the African ostrich and the Australian emu and Southern Beeches, a genus of 36 species of trees and shrubs which appear in temperate forests from South America to Australia and New Zealand.
One possibility, the researchers say, is that Zhenyuanlong evolved from dinosaur ancestors that could once fly, similarly to the way that
flightless birds like today's ostriches and penguins evolved from flight - capable forebears.
Not exact matches
It had feathers and a beak -
like a
bird, but it was
flightless.
Many vestigial structures also exist, showing links back to evolutionary history,
like hind limbs on snake fossils, pelvises on modern whales, wings on
flightless birds, and tails and extra ribs on humans.
Flightless birds,
like ostriches, are more likely to have spherical eggs.
He's talking about a
flightless caracara,
like a
bird of prey that can't fly, but lived in Jamaica.»
And with its feathers and bones looking so much
like modern
flightless island
birds, it just makes me wonder,» says Habib.
«We have to remember it appears 10 million years or so after the oldest known
bird -
like dinosaurs and so our famous «first
bird» may really be a secondarily
flightless one.»
EARLY
BIRD The flightless dinosaur - like bird Archaeopteryx could glide, as seen in this artist's illustrat
BIRD The
flightless dinosaur -
like bird Archaeopteryx could glide, as seen in this artist's illustrat
bird Archaeopteryx could glide, as seen in this artist's illustration.
Then, much later, some
birds returned to the ground and evolved into our favorite
flightless lizards
like the tyrannosaur and velociraptor.
The entire northern Atlantic ocean was once fished by a
flightless, penguin -
like bird, the great auk, until the last ones were killed by 1852.
Kinda feels
like «The Lion King» but with much added lunacy and those cool penguins, the film wouldn't be half as good without those
flightless little
birds.
There was the sunburn that made lying in a sleeping bag excruciating (that was the hubby), rain that nearly washed our tent off a hill and some sort of large,
flightless bird threatening to run into camp and do away with us (raccoons sound a lot
like squawking chickens, and yes, that one was all me).
A sexless marriage is
like a
flightless bird, or an eggless omelette, or a rose without scent... It just doesn't seem right, and it's...