- 1、AhoofedmammaloftheorderPerissodactyla.2、largeSouthAfricanantelope;consideredtheswiftesthoofedmammal.3、anyofvariousnonruminanthoofedmammalshavingverythickskin:elephant;rhinoceros;hippopotamus.4、anyofvariouscud-chewinghoofedmammalshavingastomachd...
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- Thewhaleisamammal.Awhaleisakindofmammal.Asamammal,wemustobeytherulesofbiology.Around15%ofmammalspeciesand11%ofbirdspeciesareclassifiedasthreatenedwithextinction.AnewspeciesofmammalhasbeendiscoveredinthemountainsofTanzania,scientistsreport.A.Ants'mus...
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- Accordingtonewresearch,afin-limbeddolphinshouldbeafairlysmartfellow,butheisnotatypicalaquaticmammalofhiskind.InChina,conservationeffortshavealreadyfailedtoprotecttheYangtzeRiverdolphin,thefirstlargeaquaticmammaltogoextinctsincetheCaribbeanmonksealint...
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