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Smart new snakey moves Brown tree snakes ( Boiga irregularis) appear to have evolved a whole new way of moving that could help explain how they have decimated bird populations in the Mariana Island of Guam, according to a new paper published in the journal Current Biology. They use a lasso-like motion to propel themselves up smooth vertical cylinders, which the researchers say is distinctively different to the other four known forms of snake locomotion: rectilinear, lateral undulation (or serpentine), sidewinding and concertina. The nocturnal snakes, which are part of the colubrid family (Colubridae), are native to north-eastern Australia and other humid tropical areas such as Papua New Guinea. They were accidently introduced to Guam, about 2000 kilometres north of PNG, around mid last century, probably as stowaway on a cargo vessel or aircraft.

New yorkUnited statesPapua new guineaThomas siebertBruce jayneMartin kastnerJulie savidgeColorado state universityNew york timesUniversity of cincinnatiMariana islandPapua newபுதியது யார்க்ஒன்றுபட்டது மாநிலங்களில்பப்புவா புதியது கினியாதாமஸ் சீஎபேர்த