Sentences with phrase «passenger pigeons once»

The first generation of new passenger pigeons once sexually mature will breed and raise their own offspring in natural cycles without the intervention of caretakers.

The first generation of new passenger pigeons once sexually mature will breed and raise their own offspring in natural cycles without the intervention of caretakers.

With this map of genetic variation in hand, the scientists could then estimate how big the population of passenger pigeons once was — typically, a small population will have less genetic variation than a larger one because it derives from a smaller pool of ancestors who bred successfully.

Not exact matches

«The passenger pigeon was once the most abundant bird in the world and suddenly it disappeared totally from the Earth.»

The two animals at the forefront of this discussion are the woolly mammoth, a hairy, close relative of the elephant that lived in the Arctic, and the passenger pigeon, a small, gray bird with a pinkish red breast once extremely common in North America.

Like the passenger pigeon, it once darkened the skies with huge flocks but now is only seen occasionally, he laments.

The now - extinct passenger pigeon was once plentiful in North America, with flocks of millions of birds roaming the country in search of acorns.

The passenger pigeon was once the world's most plentiful bird.

The passenger pigeon was once the most abundant bird in the world, with a population size estimated at 3 — 5 billion in the 1800s; its abrupt extinction in 1914 raises the question of how such an abundant bird could have been driven to extinction in mere decades.

John Bender has bred and flown pigeons for over 50 years in southern Ohio, once home to many breeding colonies of passenger pigeons.

Once cell cultures, breeding facilities, and genome editing ground work is in place we can begin editing the band - tailed pigeon genome into the new passenger pigeon genome, using the library of information developed in Phase 1.

The passenger pigeon was once among the most numerous species on earth.

Once the genome sequence is complete (late 2013) and finalized (sometime in 2014), major research into the evolution of the band - tailed pigeon and passenger pigeon will unfold, providing the platform for understanding how to recreate the passenger pigeon.

The Great Auk, Labrador Duck, Passenger Pigeon, Carolina Parakeet, and Heath Hen were birds that once filled unique niches in the North American landscape from the shores of Labrador and New York to the Midwestern plains.

«Beak, Claw, Hand, Brush (1.9.1914)» refers to the demise of the Passenger Pigeon, once the most numerous of birds in North America.

For example, one painting shows the plight of the Passenger Pigeon, once the most numerous of birds in North America.

For example, none of us today miss the passenger pigeon, even though a few of us have read about the enormous flocks of those birds that once filled the sky.

The book's author, H. Bruce Franklin, compares menhaden to the passenger pigeon and related to me recently how his research uncovered that populations were once so large that «the vanguard of the fish's annual migration would reach Cape Cod while the rearguard was still in Maine.»

Once the scientists have created a passenger pigeon - like genome, they will insert this altered DNA into reproductive cells in band - tailed pigeon embryos.