Birds

Definition of Birds Hierarchical Category as it relates to Animals, Amphibians, Arthropods, Animalia

A diverse group of warm-blooded vertebrates constituting the class Aves, characterized by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and strong yet lightweight skeletons. They are a part of the kingdom Animalia, differentiating them from other animal groups such as Arthropods and Amphibians.

Note
External Links
Discover and Learn about Birds - Birds.com (Birds.com)
hummingbirds.net (Hummingbirds.net)
Hummingbirds.org (Hummingbirds.org)
Falconry Experiences, Falconry Instruction - Live Oak, Florida (BirdsofPrey.net)
Songbird Children's Center (Songbirds.us)
Steam Community :: maffew :D (FlightlessBirds.net)
Endangeredbirds.org (EndangeredBirds.org)
Home - Seabirds International (Seabirds.co)
Mark Johnson (entropyx15) – The Human Condition (DesertBirds.com)
Home - (BirdsAnimals.com)
Bird sounds and bird calls in USA & Canada (602 species) (BirdSounds.net)
Garden Birds - Attracting and enjoying birds in your backyard garden (GardenBirds.net)
Waterbirds presents SeaRey amphibious aircraft (Waterbirds.com)
BlackBirds Infotech (Blackbirds.com)
Blackbirds.net (Blackbirds.net)
Early Birds | Login (EarlyBirds.co)
Bird Studies (BirdStudies.net)
Top 10 most famous extinct birds in the world - Extinct Birds (ExtinctBirds.org)
Your cottage by the sea on Manasota Key – Shorebirds Beach Cottages of Manasota Key (Shorebirds.com)
commonbirds.com - (CommonBirds.com)
The Birds of North America (NorthAmericanBirds.net)
Asian Birdwatchers Network – Flocking for Birds (AsianBirds.net)
Native Bird Connections Home (NativeBirds.org)
Become the wise leader you are meant to be | Junglebirds (JungleBirds.org)
Home (ArcticBirds.net)
African birdwatching holidays (AfricanBirds.org)
The Caribbean's Premier Charter Airline. Private Air Charter to the BVI, TORTOLA, VIRGIN GORDA, ANEGADA and the rest of the Caribbean. (IslandBirds.com)
Island Birds | Conserving birds on islands (IslandBirds.org)
Let's start another narrative | birdSEED (Birdseed.org)
Birds Eye Frozen Vegetables | Birds Eye (Birdseye.com)
Cowbirds (Cowbirds.com)
Tips Digital Marketing - Tips Tutorial Digital Marketing (Cowbirds.org)
Sunbirds DFW Nudist Sun Club - Home (Sunbirds.org)
jaybirds.com | Venture (Jaybirds.com)
redbirds.com | Venture (Redbirds.com)
Snowbirds.com (Snowbirds.com)
Home | Canadian Snowbird Association (Snowbirds.org)

Child Hierarchical Categories

Amphibian Lifecycles Animalia Classifications Arachnid Arthropods Crustacean Arthropods Insect Arthropods Marine Arthropods
Related Categories ⇒