and feather disease virus nucleotide sequence analysis and its relationship to porcine circovirus, plant circoviruses, and chicken anaemia virus.
He and his colleagues have spent years investigating why some of these finches have small beaks
while others have large beaks
We used factorial design (2 x 3), with two rearing systems (floor or cages) and three methods of beak
trimming (hot-blade, infrared and undercutting, the latter serving as the control treatment).
Other early turtles had a partial shell but no beak
. Odontochelys, dating to 220 million years ago, had a protective shell on its underside but no upper shell, called a carapace.
The shell and the beak
are two important elements of turtle evolution.
Mark explained that this wasn't just the first white beak
sedge to be spotted on Astley Moss for 150 years, it was the first one to recorded in the whole of Greater Manchester for a century and a half.
But luckily, only his beak
was trapped and, after a "warm" in an RSPCA van, he was able to fly away to freedom.
It was fun to pretend to be a hungry bird, and see how well a bird's beak
works to get the food she needs.
A group of teens had attacked her, hacking off part of her beak
. The bird was taken to a wildlife sanctuary called Zoo Ave.
During surveillance cystoscopy following TURP, the plastic beak
of a 24 Fr resectoscope was incidentally found dislodged in the bladder of our patient.
An artist's illustration of Psittacosaurus, a little dinosaur with a parrot-like beak
and bristles on its tail that roamed thick forests in China about 120 million years ago
While wild birds have a red beak
by default, a group of domesticated and bred zebra finches have yellow beaks