Here is some general information on skate and stingray biology from topics that often come up when discussing these similar elasmobranch fishes. Download: Rays and Skates Upclose! (Powerpoint Presentation) Answers compiled by: Cathleen Be
to have flat bodies?
About 55 million years ago, a warming event that swept the globe had a profound effect on mammals. A Florida Museum of Natural History study in the December 2010 print edition of the Journal of Mammalian Evolution describes a new species of carnivorous mammal that shrank to about half the size of
that the same thing happened in some carnivores, suggesting that other factors may have
Let’s look a little closer at sharks parts, habits, and biology:
Male sharks have paired intromittent organs called claspers.
New research indicating early humans acquired public lice from gorillas about 3.3 million years ago sheds new light on when humans started to lose their body hair as they migrated out of the trees and onto the savannah. Humans most likely got the gorilla’s lice from sleeping in their nests or
That they took up residence in the pubic region may have coincided with humans’
NON-VENOMOUS Other common names Rough Earth Snake Basic description Most adult Rough Earthsnakes are about 7-10 inches (18-26 cm) in total length. These are small glossy brown or grayish-brown snakes with a light yellow or cream-colored belly. The head is small with a distinctly pointed snout. A
Juveniles are darker than adults and have a white to light gray ring around the neck
NON-VENOMOUS Other common names Yellow-bellied Watersnake, Red-bellied Watersnake Basic description Most adult Plain-bellied Watersnakes are about 30-48 inches (76-122 cm) in total length. Adults are thick-bodied and are uniform greenish gray or reddish-brown in color with no patterning on the b
Cottonmouths have vertically elliptical (cat-like) pupils, whereas watersnakes have
from the Florida Museum of Natural History
more reliable way of estimating the size of megalodon shows the extinct shark may have
The Everglades is threatened by introduced plants and animals. The Everglades National Park was established to protect the diverse natural habitats of the region which include freshwater marshes, hardwood hammocks, pinelands, cypress swamps, mangrove swamps, and estuaries. However, despite
Introduced species are those organisms that are native to somewhere else that have
VENOMOUS Other common names Cottonmouth, Cottonmouth Moccasin, Water Moccasin, Moccasin Basic description The average adult Florida cottonmouth is 30-48 inches (76-122 cm) in total length. This snake is heavy bodied with a pattern of light brown and dark brown crossbands containing many dark sp
Cottonmouths have vertically elliptical (cat-like) pupils whereas watersnakes have
grow to almost 4 feet wide and are quick to retreat when humans approach, but they have
grow to almost 4 feet wide and are quick to retreat when humans approach, but they have
