Dein Suchergebnis zum Thema: danger

Gymnura altavela These broad, flat diamond-shaped rays are much wider than they are long, with a short tail that has one or more serrated spine at the base. They are generally dark brown, sometimes with pale-rimmed dark spots or blotches. They have been reported at almost 13 feet wide, but averag
Danger to Humans The spiny butterfly ray is harmless to humans as it is not aggressive

Whether it is flowers sprouting in the spring, cicadas mating in the blistering heat of summer, or caterpillars hatching to feed on their favorite host plant – across the natural world, the timing of biological events is so important it spawned its own scientific discipline: phenology. Much of ph
Life on Earth Unique dove species is the dodo of the Caribbean and in similar danger

Each fall, millions of migratory birds fly over Florida under the cover of night, hightailing it south for the winter. Many never reach their destination. Disoriented by the lights and glass of cityscapes, thousands of birds die after colliding into buildings and windows. To prevent these deaths,
Life on Earth Unique dove species is the dodo of the Caribbean and in similar danger

Florida Keys National Marine Sanctuary The National Marine Sanctuaries Act of 1972 authorized the designation and management of marine environments with special national significance due to their conservation, recreational, ecological, historical, scientific, cultural, archaeological, or educat
endangered species: a species in danger of becoming extinct that is protected by

Pyrrolizidine alkaloids are as bitter and toxic as they are hard to pronounce. They’re produced by several different types of plants and are among the leading causes of accidental death in cattle. Plants that contain these alkaloids have made it very clear they don’t want to be consumed, but that
If bella moths perceive themselves to be in danger, they exude a frothy sphere of

The saying “Birds of a feather flock together” is being given new meaning by a study published in the Philosophical Transactions of the Royal Society b. Flocking birds often travel in groups made up of a single species, in which individuals are nearly indistinguishable from one another, as noted by
For small to medium flocking birds, the biggest source of danger comes from above

Ornithologists at the Florida Museum of Natural History are preparing to digitize nearly all of the museum’s analog bird-sound field recordings, one of the largest collections in the Western Hemisphere with 23,650 cataloged recordings representing about 3,000 species. Funded by the National Scien
Life on Earth Unique dove species is the dodo of the Caribbean and in similar danger

Native Flora Flora changes from macroalgae in fresh and brackish waters to seagrass and mangroves as salinity increases. The freshwater habitats of the Everglades are dominated by marsh and slough flora, however the flora changes moving downstream where the freshwater mixes with seawater. Tran
endangered species: a species in danger of becoming extinct that is protected by

Hypanus say This medium sized stingray (growing to 39 inches wide at most) has the classic rounded diamond shaped disc but a distinctively blunt snout, with a tail one and a half times its body length bearing a serrated venomous spine. It is yellowish to light gray on top, with a white or gray un
Danger to Humans The bluntnose stingray is non-aggressive and poses little threat

The human environmental footprint is not only deep, but old. Ancient traces of this footprint can be found in animal bones, shells, scales and antlers at archaeological sites. Together, these specimens tell the millennia-long story of how humans have hunted, domesticated and transported animals,
of hutia, several species of which are currently vulnerable to extinction or in danger