Birds and black youth op ed
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Two articles in Indy Star newspaper that were published next to each other. One may provide the answer to black youth teen violence.

Two articles in Indy Star newspaper that were published next to each other. One may provide the answer to black youth teen violence.

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Birds and black youth op ed Document Transcript

  • 1. Birds evolve to dodge traffic Sim~ns.4-teens-only mall policy Isnt the solution Sly swallows fly on little wings, study finds :~l~~ . T~e recent decision by the I ~. Metropolitan Police Dep~rt~~nt By Cathy Payne group~~~~~~~~Z to~rUfe~~~reak up USA Today. C.astlet~n ~quare Mall is ridicul~~~sa~d dI~~pPofmtmg.In a city.that offers no Does a new study offer a birds-eye o~IOns or teens to gather with theiriew into evolution? f rtends the m 11 h . th . a ISt e only place with Fewer cliff swallows are being e ex~eptlOn of a school or a pla~e ofilled by moving vehicles because of Cliffswallows sit at their nest in worshIp, th~t young people are able tovolution, says a study published today Nebraska. The birds have become less meet up. This new policy will al the journal Current Biology, likelyto get hit by cars, USA TODAY ate an th . so ere- o er opportumty for prOfiling of "These birds have been exposed to young people. Will mall security breakehicles and roads for 30-plus years,"aid Charles Brown, the studys lead WILY CRITTERS ~fr~~~~tP ofbfive well-behaved whiteuthor. "During that time, they have Charles Brown, the studys lead author, said mall :will ~1e °bYS gO.toa I?ovie at the cliff swallows do learn from watching others , ey e split up into twovolved to avoid being killed by traffic. volution can happen very rapidly, and so some may figure out how to avoid on- r{~ffl~i~KLs~curityif they want to go to me.orne animals can adapt to urban envi- coming traffic. "Birds that have the ability to learn are more likely to survive and produce d The real issue that should be ad-onments very rapidly." The decrease in road deaths is likely more babies," he said. "Overtime, the pop- ulation will have smarter birds." y~~~~~~ ~a~~~~~f;t~~~~,~i~~Se~~ft~recause these birds have shorter wing- ~ssue at the mall, more security guardspans, making them more agile fliers l·ho~ld be p~es~nt. A policy that furtherr they are learning to avoid vehicles, 4.1 inches and 4.5 inches, Brown said. ~I s o~ kIds. options for enjoyment rown said. . "Longer-winged swallows sitting on SO:I. setting and increases the An estimated 80 million birds are a road probably cant take off as quick- prol;>abIlIty~f racial and gender profil-illed by colliding with vehicles on U.S. ly,or gain altitude as quickly as shorter-oads each year, according to a 2005 winged birds, and thus the former are ~~~~~~~l~g. There is a rational way the mall I hIf1creased safety issues at .S. Forest Service report. . In the western U.S., cliff swallows, more likely to collide with an oncoming vehicle," said Brown, a professor of J F - u Ie orean Ire more security. hich live in colonies, have nests biological sciences at the University of Carmel " ound highway bridges, overpasses Thlsa. d road culverts. They sit on roads to Geoff LeBaron, an ornithologist ------------------~·ck up gravel for their gizzards to help with the National Audubon Society,·gest food and to sunbathe. says shorter wingspan would allow The road kill index decreased from cliff swallows to turn more quickly to out 20 cliff swallows a year at the avoid being hit by vehicles. "If the long- art of the study in 1983in Nebraska to er-winged birds are the ones being estimated two birds a year. by the. clobbered, then the shorter-winged. udys end in 2012. . birds are the ones passing on genes to This is only an estimate of those the next generation;" said LeBaron, the led because more died but were not societys Christmas Bird Count direc-und, tor, who was not involved in the study. The drop cant be explained by de- The study also found that the aver-. es in the bird population or in traf- age wing length is shorter. In the 1980s, , the study suggests. The birds that . the average was 4.3 inches; it droppedntinue to die on the roads have longer to 4.1 inches in the late 2000s, Brown· gspans. Wing lengtbs vary between said.~--------~~~--------------~--~----~~~-.----