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Nov 28

David Yarnold, president of the National Audubon Society, that Trump was “in a frenzy to finalize his bird-killer policy.”, Trump says he'll leave White House if Biden declared winner of Electoral College, The Memo: Biden faces tough road on pledge to heal nation, US records 2,300 COVID-19 deaths as pandemic rises with holidays, Intercept DC bureau chief says Biden picks are 'same people' from Obama years, The largest home builder in the world has a timely message for a divided America, New Consensus co-founder discusses proposal for Biden to use Fed to sidestep Congress, How to wash your hands to prevent coronavirus — because you're probably doing it wrong. There would also be significant cultural impacts from bird losses. 3 This level is greater than it has been at any point in the last 800,000 years and possibly greater than it has been over the past 20 million years.4 In addition to this increase in magnitude, the current rate of increase is at least 100 times faster than it has been at any point in the last 600,000 years and this rate may be unprecedented in the history of the planet.5. As temperatures become warmer, however, the pest may spread into new forests, causing even more destruction. In the Great Plains, many wetlands have been converted to agricultural fields. This means that caterpillars are emerging sooner and most birds lay clutches too late for them to take advantage of the peak in prey. Many birds in North America stopover in intertidal mud flats during their migrations, where they forage on invertebrates. The hemlock wooly adelgid (Adelges tsugae) is an insect introduced from Japan that has caused widespread mortality of hemlock trees across the Eastern United States.15 Winter temperatures prohibit the northward expansion of this pest, and have insulated some forests from its devastation. For example, the cerulean warbler (Setophaga cerulean) spends winters in the Andes and then migrates to the Appalachian Mountains to breed. Sea level rise is projected to cause the loss of up to 70% of this habitat in some locations, jeopardizing the existence of these birds.10 Many birds that inhabit coastal areas, such as piping plovers (Charadrius melodus), lay their eggs directly on the sand of the beach in a shallow depression.11 The erosion of beaches from sea level rise will decrease the availability of this nesting habitat. Jacob Hill is a field and conservation biologist with an M.S. The consequences of climate change are even more complex when combined with other anthropogenic threats. To accomplish this, birds use temperature as a cue to initiate reproduction. Laurance, S.G., P.C. This will incur flooding as well as damages from high winds. While some of these seem relatively minor, experts predict that climate change could send more than half of the bird species in North America to join their ancestors in extinction.2 A thorough understanding of the ways in which climate change can impact birds is essential in predicting extinction risk and in developing possible mitigation strategies. Thankfully, there are measures both citizens and landfill managers can put in place to reduce this growing problem. This can diminish reproductive output and endanger population survival. Climate change is predominately driven by increases in greenhouse gas emissions like carbon dioxide into the atmosphere. The most obvious solution to these issues would be to stop climate change, but this is extremely complicated, but economically and politically. According to the Fish and Wildlife Service and recent studies, industry operations kill an estimated 450 million to 1.1 billion birds annually, out of approximately 7 billion birds in North America. Two thirds of that increase has occurred over the last twenty-five years at an increasingly fast rate of 0.3-0.4�F per decade. Birds in tropical rainforests have been shown to not cross clearings for roads because they do not want to leave the shelter of the canopy.17 In places where the habitat has already been fragmented by roads, birds may be hesitant to cross them, which could hamper their ability to move into new habitats.

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