Zonkey

Woolly mammoths had fur up to 3 ft long and 4-inch fat layers for insulation.

Permafrost-preserved mammoths provide DNA for de-extinction projects.

Earthworms have five hearts and breathe through skin.

Charles Darwin studied earthworms for 40 years, calling them 'nature's ploughs'.

The tiny winter wren weighs less than a nickel but sings loudly.

They sing at 10 notes/second – 10x faster than human speech.

Their dung is dried and burned as fuel in treeless Himalayan regions.

Yak milk is rich in butterfat – churned into butter tea in Tibet.

Yellowfin tuna can reach 50 mph – among the fastest fish.

They hunt in coordinated schools, herding prey toward the surface.

Zebus have humps storing fat for drought survival – not water.

They sweat insect-repellent oils and tolerate heat better than European cattle.