InWater,OnLand
Aplatypusisbuiltforbothlandandwater.Itsfrontfeetarewebbed.Whenitspreadsitstoes,itsfootbecomesapaddle.Itpaddlesthroughthewater.Whenitswims,itsbackfeethelpitsteerand brake.
Theplatypusmayfeelmostathomeinthe water.
![](/nationalgeographic/pioneer_march_2021/mismash_mammal_4/1059516/.086665378_platypus_swimming_underwater.mp4.640_0_1.jpg)
Thisplatypus'sbigwebbedfeethelppropelitthroughthe water.
Theplatypus’sfeethelpitonland and in water.
![](/nationalgeographic/pioneer_march_2021/mismash_mammal_4/1059511/NGX0321_EE_14B.640_0_1.png)
front foot
Onland,itcanuseitsfrontclawstodig.Itsbackfeethelpitclimbonland.Maleplatypuseshavehollowspikesintheirbackfeet.Theyarefilledwithavenom.Theplatypusesusethesewhentheyfightother platypuses.
![](/nationalgeographic/pioneer_march_2021/mismash_mammal_4/1059512/NGX0321_EE_15B.480_0_1.jpg)
![](/nationalgeographic/pioneer_march_2021/mismash_mammal_4/1059513/NGX0321_EE_15A.240_0_1.jpg)
Maleplatypuseshavespikesontheirback heels.
![](/nationalgeographic/pioneer_march_2021/mismash_mammal_4/1059514/tail.320_0_1.jpg)
Theplatypus’stailhelpsitswim.Italsostores fat.
TailandEyes
Doyouknowwhattheplatypus’stailisfor?It’sastoragetank!Itholdsbodyfat.Thisfatgetsusedupwhenfoodis scarce.
Onland,aplatypususesitseyestospotpredators.Inwater,itclosesitseyestightlytokeepthewaterout.Howdoesithunt?Itusesitsothersensestofind prey.
Itmayseemliketheplatypushassomeoddparts.But,thismishmashmammalisasurvivalsuccess story!
![](/nationalgeographic/pioneer_march_2021/mismash_mammal_4/1059515/NGX0321_EE_15C.480_0_1.jpg)
Lighterfuronitseyelidsmakethisplatypus’seyesseemtoglowwhenclosed underwater.