Common traits of Birds embody the laying of hard-shelled eggs, high metabolic fee, and a light but sturdy skeleton, generally with hole bones. Though the hassle to restore the historic chook populations has been slow, Everglades National Park remains a popular destination for bird enthusiasts from around the world. More than 360 fowl species have been recorded in the park and the list continues to grow. The Everglades remain top-of-the-line locations for easily observing high concentrations of many diverse species. By evaluating century-old eggs preserved in museum collections to modern observations, scientists had been able to determine that about a third of the chook species nesting in Chicago have are laying their … Staggering declines in bird populations are going down around the globe.