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en.wikipedia.org/wiki/Bird_feet_and_legs

The anatomy of bird legs and feet is diverse, revealing many accommodations to perform a ... Some species do not have patellas; sometimes it is only a small extension of the cnemial crest. In grebes there exist both a .... The webbed or palmated feet of birds can be categorized into the following types: palmate - in which only ...

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. ... What kind of limbs do birds have and how many? Wings and legs so four. Edit. Share to:.

www.mcwdn.org/Animals/Bird.html

There are four types of feathers for birds: ... Muscular-Skeletal, A bird has an internal skeleton with two pairs of limbs attached to the main body with two legs and ...

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, ...

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. ... Front limbs are modified into wings. ... Males and females of most bird species form pair bonds - i.e., they stay with one another throughout the ...

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.ck12.org/book/CK-12-Biology-Concepts/section/12.19

They are bipedal, which means they walk on two legs. ... Birds actually have two basic types of feathers: flight feathers and down feathers. ... Why do birds fly?