40 %
60 %
Information about JO_Birds

Published on February 9, 2009

Author: dawnguy



Characteristics of Birds : Characteristics of Birds Jerit Owens Feathers : Feathers Birds are the only living organisms with feathers. Feathers are lightweight, modified scales. Feathers aid in insulation and in flight. Birds preen their feathers with their beaks. Some birds rub oil on their feathers from an oil gland near their tail to water proof them. Feathers continued : Feathers continued Birds molt when feathers wear out. All feathers are not lost at once. Feathers are usually lost in pairs to maintain balance. Wings : Wings Modified front limbs are wings, mostly used for flight. Flight muscles are attached to the sternum. The sternum supports the thrust and power produced by the muscles during flight. Flight Requires Energy : Flight Requires Energy Flight requires a lot of energy. Birds have a four chambered heart to pump oxygenated blood to the tissues quickly. Chickadees hearts beat about 1000 times per minute due to need of oxygen to make energy. Birds have air sacs that allow them in inhale oxygen when they inhale and exhale. Flight Requires Energy (cont’d) : Flight Requires Energy (cont’d) A bird has lungs and anterior and posterior air sacs. The air passes through a series of air sacs to achieve the maximum amount of oxygen needed. Birds are Endotherms : Birds are Endotherms Birds can maintain homeostasis without relying on the temperatures of its environment. Feathers help save heat by trapping air in layers under their down feathers. Birds will flatten their feathers and open their wings when they are hot. Panting also helps reduce body heat. Endotherms (cont’d) : Endotherms (cont’d) Being endothermic allows birds to live everywhere. However, birds have to eat lots of food to maintain high levels of energy. Reproduction : Reproduction Birds show internal fertilization and lay amniotic eggs in nests. Bird eggs have a hard outer covering. Bird nests can be made of twigs and grass, or just an indention scratched into the soil. Unlike reptiles birds incubate their eggs by sitting on them. Reproduction (cont’d) : Reproduction (cont’d) Birds must turn their eggs so that the young develop properly. In some species both parents take turns incubating. In others only one parent incubates. The species of birds can be determined by the shape, size, and colors of their eggs.

Add a comment

Related presentations

Related pages

Jo Bird - Lifesaving Equipment Storage | Fire Safety ...

Welcome to Jo Bird. Quality, durability and versatility. These are the defining characteristics of JoBird's products. Our lifesaving and fire safety ...
Read more

Conscience Confessions -

Conscience Confessions I am almost 19 as soon as it hits september 25th im 19 BABY! Anyways I am engaged to the most beautiful man in the world and am ...
Read more

Birds | RSCN

All rights reserved © RSCN 2015 Designed and Developed by Media Plus
Read more

Jo Bird Profiles | Facebook

People named Jo Bird. Find your friends on Facebook. Log in or sign up for Facebook to connect with friends, family and people you know. Log In Sign Up.
Read more

NoJo Love Birds Changing Table Cover -

What I received was not as pictured. It was light pink in color and there was no embroidered bird on the changing cover. Very disappointed. Returning it ...
Read more

Jojo the Grey Adoption and Rescue for Birds Inc. -- A 501 ...

Jojo the Grey Adoption and Rescue for Birds Inc. is a Non-Profit Organization dedicated to saving birds that are in need of a new home in the PA, NJ, DE area.
Read more

VocalEase | Facebook

VocalEase. 351 likes · 2 talking about this. Vocal Improv/ Circle Singing/ Vocal-Movement Freedom! Challenging for the advanced singer, liberating for...
Read more

beautiful birds

beautiful birds Thursday, 8 November 2012. bird. Posted by jothi lakshmi at 21:18 No comments: Email This BlogThis!
Read more

Jo Birds on Pinterest

See what Jo Birds (calfee80) has discovered on Pinterest, the world's biggest collection of everybody's favorite things.
Read more

Jo's Exotic Birds - Bird Toys, Parrot Toys and Cages, Bird ...

Jo's Exotic Birds - Kenosha Wisconsin - Large selection of small, medium, large bird or parrot toys, Hand Fed Baby Birds and Quality toys and accessories.
Read more