Efforts in the U.S. Senate to update and modernize the 33-year-old Endangered Species Act (ESA) are an emotional topic for many. Yet, it seems clear to many that sensible improvements--particularly those that focus on the recovery of species and not just habitats--are long overdue.

Birds are warm-blooded, bipedal egg-laying vertebrates that are characterized primarily by their physical features of feathers, forelimbs modified as wings, and hollow bones. Birds range largley in size from tiny hummingbirds all the way up to the huge Ostrich. Depending on how you look at it, and what your viewpoints are there are approximately ten thousand different species of living birds. Note the living. there are several others that have become extinct throughout human history.

Live and let live is what evolution is all about - not the law of the jungle.

A worm is an "elongated" invertebrate soft-bodied animal. The most widely known of all worms is the earthworm. The earthworm is a member of phylum Annelida. A side from that famous worm there are hundreds of thousands of different species of worms that live in a huge array of differet habitats.

The tropical rainforest is a unique ecosystem that is home to many plants and animals, in fact more plants and animals than we even know about. The plants found in the tropical rainforest produce much of the oxygen that is essential for our planet. In addition, many of the plants have unique healing properties against illness and disease.

Turtle Species Turtles are cold-blooded reptiles. They have a shell making them unique from other reptiles. Their upper shell is called the carapace, and a lower shell that protects the belly called the plastron. The carapace and plastron shape and color varies from species to species. One might think it would at least always be a hard shell, which also is untrue. There are softshell turtle species, along with many others. Some turtle species include Clemmys insculpta ...

The human being is a bio - psycho - social, acting each of these areas as interdependent.

For about one hundred million years, our waters have been visited by the green (Chelonia mydas) and the logger-head (Caretta caretta) turtles. The green turtle only nests in Cyprus, south-east Turkey and sometimes in Israel.

Polar bears have long fascinated us. With their thick, white coats, they look incredibly cuddly, particularly the cubs. In truth, they are the biggest and most powerful bears on the planet. Alas, they may be added to the endangered species list.