Jellyfish are radially symmetrical animals with a simple form, all with stinging capsules. Their radial symmetry allows them to respond to food or predators from any direction. ... Jellyfish are radially symmetrical animals with a simple form, all with stinging capsules. Their radial symmetry...

It has been caricatured in Warner Bros cartoons as a mad senseless runner speeding along roads, but this does not do it any justice at all...... This amazing bird prefers to run rather than fly! It is a member of the Cuckoo Family (Cuculidae). It is a survivor, and a successful predator in...

Some key facts about Hummingbirds: Hummingbirds feed on the nectar of plants and are important pollinators, especially of deep-throated, tubular flowers. Like bees, they are able to assess the amount of sugar in the nectar they eat; they reject flower types that produce nectar which is...

Well, here it was, after just completing a 10km run in Saguaro National Park. Missed it by inches..so nice of it to warn me with its familiar rattle as I was about to tread on it! Now the good news is that unless you really do provoke them ....not recommended under any...

An Ivory-Billed Woodpecker, thought to be extinct since 1944, has been sighted at the Cache River National Wildlife Refuge in Arkansas, USA. Sightings of at least o­ne male bird in Arkansas in 2004 and 2005 were reported in April 2005, which makes it a lazarus species . Ivory Billed...

The entrance to its nest is an interwoven array of sticks, cactus spines and a bewildering assortment of garbage it has picked up in its home construction activities..... There are 22 species of Packrats, or Woodrats. The species shown here is Neotoma lepida , or the...

A presentation on the Desert Tortoise is now available...for downloading The Desert Tortoise http://www.globalmatters.org/tortoise OR http://www.webschool.org.uk/tortoise OR http://www.scienceblog.org/tortoise