Category: ornithology

The Egg Egg Shape Egg’s come in a variety of shape’s, from almost ball-shaped to conical. Bird’s who nest in hole’s )such as many specie’s of owl( lay round egg’s The Source Page #2 Ornithology #15 Life Cycle The Egg #2

When the extinction came at the end of the Cretaceous period, the non-avian dinosaurs were unable to survive.All of them were wiped out.The avian dinosaurs did manage to hang on, however. This group of dinosaurs went on to become the bird’s that we know today. The Sorce Ornithology #13 Bird Evolution Page #7

The Retrices The tail is set stiff feather’s called rectrices. These are arranged identical pair’s with most bird’s having 6 pairs. The tail is what allows the bird in flight to steer. Tail feathers are lighter and stiffer than the body feather’s, are similar to the primaries and the secondaries on the wing. The Source…

Bird Muscle’s And Comparing Them To My Muscle The largest muscle’s a bird has are the pectoral muscle’s, which are located at the front of the bird across the chest. These muscle’s control the wing’s and make up a big part of the bird’s total weight. These muscle’s along can be as much as 30…

Bird Bone’s Large gliding and soaring bird’s have the most pneumatised bone’s.These large bird’s, such as the allbatross, are extremely efficent flier’s and they can glide their light bodies over the huge distance’s.For such large bird’s (with the huge almost 13 feet wingspand’s), they weigh a little over 26 pound’s. This is because of the…