Scientists confirm a record-breaking green anaconda in the Amazon, revealing new species clues, surprising sizes, invasive ...

Green anacondas can grow to almost 9m in length and weigh more than 250kg – that's about the weight of a male grizzly bear.

Quick Take Reaching a size 5 times larger than males is a biological benchmark for breeding females. Holding breath for 10 ...

Anacondas rank high among the most frightening reptiles that exist on planet Earth; they are esteemed for their massive size ...

Scientists recently discovered a new species of green anaconda in the Amazon rainforest. A new Nat Geo series shows the ...

The newly named northern green anaconda or Eunectes akayima is reportedly the largest in the world, capable of exceeding ...