Sentences with phrase «dragonfly species»

Bush administration protect America's only endangered dragonfly Hooray for the really little guys — in this case, the Hines emerald dragonfly, the only dragonfly species on the federal endangered species list, which finally received protection in the last days of the Bush administration.

In the past couple of decades, for example, Mediterranean butterfly and dragonfly species have been found flying around places previously off limits to them — new new northern climes such as Germany.

Not exact matches

The award - winning photography of Illinois native Carol Freeman, featuring the state's rarest species from endangered owls to dragonflies, is the subject of her exhibition, Endangered Beauty, through June 24 at the Chicago Academy of Sciences Peggy Notebaert Nature Museum.

Based on this effective model, the Dragonfly Monitoring Network was created with the aim of gaining a greater knowledge of the distribution and abundance of dragonfly and damselfly species in the Chicago region and, eventually, to expand the network across Illinois anDragonfly Monitoring Network was created with the aim of gaining a greater knowledge of the distribution and abundance of dragonfly and damselfly species in the Chicago region and, eventually, to expand the network across Illinois andragonfly and damselfly species in the Chicago region and, eventually, to expand the network across Illinois and beyond.

Other wildlife found here include a variety of amphibians, reptiles, and mammals such as painted turtles, Fowler's toads, red fox, river otters, and at least 24 species of dragonflies and damselflies.

This is one of the most widespread and abundant species of dragonfly.

Also, naturalists discover 60 new species of dragonfly and damselfly in Africa, the National Institutes of Health reveals its first agency - wide strategic plan in more than 20 years, and the U.S. National Science Foundation plans a massive overhaul of its McMurdo research station in Antarctica.

In the study, which included a series of laboratory experiments, field surveys and mathematical modeling, the presence of various species of dragonfly larvae reduced the infections in frogs caused by parasitic flatworms called trematodes, said Val Beasley, professor and head of the department of veterinary and biomedical sciences, Penn State, who worked with Rohr and whose research group collaborated with Lucinda Johnson, senior research associate and director of the Center for Water and the Environment, University of Minnesota Duluth, to complete the field study.

Birds, bats, fish, and many significant wetland species, including dragonflies, feed on them.

- This study is very significant as dragonflies are at the top of the insect food webs all over the world and regulate the number of many other insect species.

In the study, prey DNA was extracted from the tiny dragonfly droppings and the researchers managed to identify dozens of prey species from the samples.

Researchers from the Universities of Turku and Helsinki, Finland, are the first in the world to discover which species adult dragonflies and damselflies prey upon, as modern laboratory techniques enabled the study of the insects» diet.

404 Southeast aquatic species: The southeastern United States contains the richest freshwater biodiversity in the nation, harboring 62 percent of the country's fish species (493 species), 91 percent of its mussels (269 species) and 48 percent of its dragonflies and damselflies (241 species).