stamp wiki:
[amp is a distinctive mark or impression made upon an object, for instance those made on a piece of paper and used to indicate the prepayment of a fee or tax. Types of stamps include:Postage stamps, used on mailRevenue stamps, often used on documents; they are superficially similar to postage stamps, but may have very high denominations (see also Stamp Act and Stamp Duty)Rubber stamps, devices used to apply inked markings to objects
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swan wiki:
>For other uses, see Swan (disambiguation). Cygnus Coscoroba Swans are large water birds of the family Anatidae, which also includes geese and ducks. Swans are grouped with the closely related geese in the subfamily Anserinae.Swans usually mate for life, though "divorce" does sometimes occur, particularly following nesting failure or the death of a partner (this can be due to 'capsizing': overturned swans lack the ability to right themselves and therefore drown). The number of eggs in each clutch varies both within and among swan species, typically between 3â8 eggs.
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