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en.wikipedia.org/wiki/Bird_feet_and_legs

Most birds are digitigrade animals, which means that they walk on their toes, not the entire foot. .... Most birds have 4 toes (digits), typically 3 facing forward and 1 pointing ... Except for ostriches and rheas, pubic bones in the pelvic girdle do not .... webbed or palmated feet of birds can be categorized into the following types:.

en.wikipedia.org/wiki/Bird_anatomy

Bird anatomy, or the physiological structure of birds' bodies, shows many unique adaptations, mostly aiding flight. Birds have a light skeletal system and light but powerful musculature which, ... Again, flightless birds, such as ostriches, which do not have highly ... The upper leg consists of the femur. At the ... Types of bird feet.

www.answers.com/Q/How_many_limbs_does_a_bird_have

Answer A bird has 4 limbs: its arms are wings and its legs are its legs. ... 7 gills a fish does not have limbs ... What kind of limbs do birds have and how many?

www.mcwdn.org/Animals/Bird.html

System Type. Birds System. Muscular-Skeletal, A bird has an internal skeleton with two pairs of limbs attached to the main body with two legs and two wings.

www.earthlife.net/birds/anatomy.html

Birds have also had to evolve a compact body shape in order to facilitate flying. ... The leg does not start to extend out from the body until after the knee joint ...

www.oiseaux-birds.com/article-legs-feet-shapes-intro.html

Birds have very well adapted legs and feet, according to the habitat where they ... the same type of habitat, but with vegetation, involving the need of long legs, ...

www.birdforum.net/showthread.php?t=25234

I have searched far and wide, but cannot find the answer. Can anyone help? I presume that most birds have a similar number of leg muscles, ...

evolution.berkeley.edu/evolibrary/article/homology_02

Homology: Legs and Limbs. Frogs, birds, rabbits and lizards all have differently shaped forelimbs, reflecting their different lifestyles. But those different forelimbs ...

www.sciencepartners.info/?page_id=705

Many birds (particularly passerine birds) have three toes forwards and one back, while ... Figure 6.40: These illustrations depict the different types of bird feet ...

bio.edu.ee/animals/Linnud/lialgus.htm

What do birds look like? Birds have an exceptional streamlined body that is covered by feathers. A lot of birds ... Front limbs are modified into wings. Apart from a ...