penguins and pelicans.this different types of penguins and pelicans

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Penguins

Transcript of penguins and pelicans.this different types of penguins and pelicans

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Penguins

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EXTERNAL FEATURES

BODY –Oval in shape Cryptic colouration(black or bluish above &white

belove) wings – devoid of quill feathers , covered with scale

like feathers-swimming &diving Legs-short and far back in the body Toes –webbed-steering Plumage covers the entire body Beak- horny plates

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Expert swimmers Breed in large group on desolute rocks Eggs- 2 to 3 at a time Incubation by both the parents Half digested food for young ones Example for bird migration by swimming

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17 species Largest-Emperor penguin Examples-Emperor penguin ,King penguin , Adelic

penguin

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I. Aptenodytes

Largest of all penguins Colonized in Antarctic mainland Emperor penguin-1.2m tall, King penguin 1m tall Long and curved beak Narrow and long flippers Orange patches on the side of the neck Bizarre form of behavior Krill paste Single egg at a time Incubation period -65 days for Emperor penguin &14-18months for King

penguin Make no nests

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I. PYGOSCELIS

Includes Adelic penguin , Ringed penguin& Gentoo penguin

Small and highly sociable Short beak Few tail feathers present

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iii. Megadytes

Long and stout beak 20 feathers on tail Confined to the island of New Zealand region Nest on forested land slopping into sea

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IV. EUDYPTES

Royal penguin or Crested penguin Yellow crest Moderately long tail of 14-16 feathers Breed in immense rookeries , sometimes beside the

breeding ground of sea lions

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v. EUDIPTULA

The small blue penguin Confined to New Zealand and Australia

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vi. SPENISOUS

Northerly range of distribution short ,stout &compressed beak Examples – S. demurus of S.Afric , S. mendiculus of the Galapagoes island

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Aquatic adaptation of Penguins

Wings are modified in to paddle or flippers Strongly webbed feet & partial fusion of metatarsals Presence of solid bones & absence of air sacs inside

the bone Short , closely & heavily packed plumage which holds

very little air Sleak and stream lined body

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Pelicans

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Pelicans(Pelicanus)

Local name : Neerpakshi , Narapakshi Super order :Neognathae

Order: Pelicaniformes Family : Pelicanidae

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Habit

Large , web footed ,gregarious birds Widely distributed in tropical and temperate countries Large wings spread , very long bill & a pouch in the upper throat Huge body , well developed beak Short legs & fully webbed feet Upper part of bill is long flat and boat shaped usually terminated

in a hook Lower part has to flexible arches which support a large elastic

pouch This pouch serve as fishing net

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Tail is short , square and soft They make huge nest of straw and reeds at the top of tree Female lays 3-4 eggs , hatch in 30 days The oil obtained from pelican fat used as medicine to treat

Rheumatisn Eg : white or rosy pelican (Pelecanus onocrotatus) spotted billed pelican or grey pelican (P.philippensis philippensis) Dalmatian pelican (P. philippensis crispus) found in India

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White pelican

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Grey pelican

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Dalmatian pelican

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Thank you

Anand p p