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The article discusses a conservation campaign launched by the National Wildlife Federation (NWF) to protect mountain lions living in Los Angeles, California (L.A.). Topics include a mountain lion living L.A.'s Grifith Park; the unviability of mountain lion populations in the Santa Monica Mountains National Recreation Area; and the problems cities can cause for carnivores, such as pesticides, traffic accidents and habitat fragmentation.

The article reports that a study conducted by researchers from Radboud University in the Netherlands and published in the July 2014 issue of "Nature" have linked the neonicotinoid class of insecticides to declines in farmland bird populations.

Focuses on the detrimental effects of pollution on the reproductive system of wildlife. Action of environmental toxins on estrogen in the body; Pesticides as cause of hermaphroditism in several fish species; Decline in populations of animals feeding on fishes which ingest toxins from contaminated water bodies. INSET: NWF studies legacy of the chemical age..

Warns that the export of pesticides banned in the United States, particularly monocrotophos produced by Du Pont Co., is killing migratory birds. Poisoning of Swaison's hawks in Argentina; Need for international regulation of pesticides; Problems with international marketing systems that supply farms with inappropriate chemicals.

Examines how a new generation of Environmental Protection Agency-approved pesticides is killing fish and wildlife. Details of the 1991 poisonings in southern Louisiana; The deadly effects of modern `soft' pesticides, including azinphos-methyl (AZM); The denial on the part of the state Department of Agriculture and Forestry (DAF); Investigations by the Louisiana Department of Environmental Quality (DEQ); Harmful effects on humans; Details.

Analyzes the demise of the bald eagle in the United States due to poisoning. High amounts of chemical contaminants in the bodies of bald eagles; Other kinds of human-induced trauma suffered by eagles; Protection of the bald eagle by law; Findings on eagles by the Patuxent Wildlife Research Center; Lethal levels of the insecticide dieldrin; Evidence of chemical death; Damage caused by organochlorines.

Discusses the increase in osprey populations in Gardiners Island, New York since the pesticide DDT was banned in 1972. Complete absence of predatory mammals on the island; Symptoms of DDT ingestion in a female bird; Upward trends in animal populations that are highly susceptible to DDT.

Focuses on the danger facing dickcissels, or songbirds, as they converge on their Venezuelan wintering grounds. Background on dickcissels; Decline in the number of dickcissels along with other species that migrate between North America and the New World tropics; Breeding of dickcissels; Wintering behavior; Use of toxic pesticides and other methods for controlling dickcissels by farmers in Venezuela.

Explains the reasons for the decline in the number of Swainson's hawks in North America. Size and weight; Perils in the migratory route; Research on the migratory behavior and destination into La Pampa, Argentina; Pesticide poisoning of the hawks in La Pampa due to their consumption of grasshoppers; Assistance of La Pampa farmer Agustin Lanusse to researchers and biologists; Monocrotophos as the pesticide involved. INSET: Agenda for birds..

The article reports on a survey conducted by the periodical which asserts that pesticides are part of the reason behind the healthy wildlife crops produced in the U.S. According to the author, contrary to biologist Rachel Carson's claims in her book "Silent Spring," pesticides are not poisoning wildlife. She asserts that wildlife populations in various parts of the country have grown due to the use of pesticides. She also argues that reports of pesticide disasters are mostly exaggerated.

The article offers information on the Korean Demilitarized Zone (DMZ) located between the South and North Korea. It mentions that DMZ is considered as one of the remaining places throughout the world which is uninfluenced by different herbicides and pesticides. It states that the government of South Korea apportions some of the conservation budget for their grain to help in preserving the wildlife of the zone. It says that Korean Council for Bird Preservation members went to the zone's southern boundary to look for the valued bird species in the zone. It adds that the bird species such as the Japanese ibis and Manchurian crane thrive in the zone. Moreover, zoologist Won Pyong Oh was one of the bird watchers who had a close encounter with the Manchurian crane.

The article focuses on the threat posed by pesticides and climate change to the migration of monarch butterflies. Topics discussed include the role of the sun compass embedded in antennae in the ability of the monarch butterfly to locate the Monarch Butterfly Biosphere Reserve in Michoacán, Mexico during the migration period, record decline in monarch populations in Mexico in 2013 and 2014, and the need for monarch preservation efforts according to neurobiologist Steven Reppert.

The article presents updates on wildlife science. Findings that agricultural pesticides are the leading cause of declines in grassland species in the U.S. has challenged earlier studies that habitat loss is the primary cause. Research showed that migrating birds navigate their seasonal breeding and wintering grounds by reading the Earth's magnetic field. The endangered Mexican howler monkey spends more time foraging for less desirable food sources as fruit trees are increasingly scarce.

The article focuses on the issue of the proposal of the European Food Safety Authority (EFSA), to ban neonicotinoids, insecticides, due to its harmful impact on bees and wildlife. It mentions that SFSA proposed to ban the insecticides after the assessment of risks to bees from Imidacloprid, Clothianidin and Thiamethoxam. It further mentions that the ban of European Union (EU) commission has raised the bees standard.

The article discusses tips for nature photographers in Great Britain in photographing otters. Scientists believe that the resurgence of the otter population in the islands may be credited to the banning of agricultural chemicals and pesticides that run into nearby streams. Photographers are advised to use manual settings and to stalk quietly as much as possible. It is also suggested that the camera be focused on the animal's eyes.

The article reports on the impact of pesticides on invertebrates species that play essential role in marine ecosystems and food webs. According to Tim Verslycke, pesticides pose threats to crustaceans that humans love to eat such a lobster, crabs and shrimp. Verslycke and colleagues discovered that very low level of exposure to hormone-disrupting chemicals have resulted in impaired embryonic development, molting and growth in marine crustaceans and the researchers also found low levels of pesticides in coastal waters, sediments and crustaceans.

Two letters to the editor are presented in response to an article on bats in the March 27, 2010 issue which include comments on white-nose syndrome and bat conservation.

A letter to the editor is presented concerning the effect of pesticides on bees.

The article discusses the call for a ban on neonicotinoid pesticides by the British environmental charity The Soil Association. Several European countries have ruled against the continued use of the pesticides which are sprayed on oilseed rape, barley, and sugar beet. Topics include reaction by Bayer CropScience, a manufacturer of neonicotinoids, and a overview of the impact on honeybees from the use of the nerve toxin clothianidin.

The article lists four questions about the future of bees from the biologist and author Thor Hanson including failed bee drones developed by Japanese scientists, how massive bee die-offs are due to an overuse of pesticides, and the reintroduction of hedgerows to farms as a means to increase bee diversity.

This article presents information about hang glider Francisco Gutierrez's 4,000 mile flight which followed the migratory flight of the monarch butterfly from Montreal to Mexico. He spent six years planning the 10-week trip and securing funding for filming a documentary about it. He hopes to draw attention to the threat of logging and pesticide use to the butterfly.

Discusses research by biologist Rick A. Relyea on how the combination of common pesticides and the presence of predators can be lethal for tadpoles. Consideration of the sensitivity of tadpoles to the smell of danger; Difficulties associated with proving that modern pesticides are a major cause of the widespread decline of amphibians; Experimentation of tadpoles in water tanks with the pesticide carbaryl and red-spotted newts.

Reveals that atrazine, a pesticide is causing developmental defects in Midwestern frogs in the U.S. Type of defect found in frogs exposed with atrazine-contaminated water; Amount of atrazine used in the U.S. in 1999.

Reports on the pesticide dangers uncovered for the year 1999. Pesticide residues on fruits and vegetables in the United States; Association of non-Hodgkin's lymphoma with pesticide exposures; High levels of pesticides present in the rain falling on Europe; Effect of the insecticides sprayed on forests in eastern Canada on the Atlantic salmon.

The article explores a report published in the September 13, 2019 issue of "Science," which examined pesticides (specifically, imidacloprid, an insecticide) and their impacts on the migration of wild birds such as delayed migration and lower body weight.

Comments on a survey published by the Ministry of Agriculture, Fisheries and Food (MAFF) in Britain, which reveals that pesticides are still killing hundreds of animals every year. Illegal use of pesticides; Number of wild creatures that died; Upcoming amendment to the Wildlife and Countryside Act with respect to pesticide poisoning; Comment of Colin Booty, wildlife officer at the Royal Society for the Prevention of Cruelty to Animals; More.

The article reports about a program aimed at reducing the use of pesticides in Indonesia. Brown planthoppers posed serious threats to the rice crop in 1985 in Java. Researchers at the United Nations' Food & Agriculture Organization found that planthoppers were going out of control due to the widespread application of pesticides that killed the natural predators of planthoppers. A program to protect these predators was set up which aimed at training farmers to protect these predators.

The article discusses that insects make up majority of all living species on Earth. Topics include the impact of insects on the functioning of global ecosystems, the need to study entomology in order to understand the benefits of insects in the ecological scheme, and the decline in insect species due to loss of natural habitat and pesticides.

The article discusses the impact that imidacloprid has on disorienting white-crowned sparrows (Zonotrichia leucophrys), including the pesticide's affect on their migration patterns and decreasing their body weight. It references a report coauthored by toxicologist Margaret Eng at the Society of Environmental Toxicology and Chemistry North America meeting and an article coauthored by Eng in the "Scientific Reports" journal.

The article focuses on the contamination of the Easter lily bulb persticides to the Smith River in California. Topics discussed include the contamination discoveries in the river, the effect of the contamination on aquatic species, and the demonstration of chronic reproductive toxicity. Also noted is the unfathomable toxicity brought by the pesticide at the estuary.