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Grislikaru märgati Montanas Pryori mägedes

Montana ametnikud kinnitasid, et hiljuti märgati Pryori mägedes Billingsist umbes 30 miili lõuna pool üksikut grislikaru. Vaat

Grislikaru märgati Montanas Pryori mägedes Montana ametnikud kinnitasid, et hiljuti märgati Pryori mägedes Billingsist umbes 30 miili lõuna pool üksikut grislikaru. Vaatlus on esimene pärast 1800. aastaid ja osariigi bioloogid ütlevad, et see on "tõenäoliselt noor mees", vahendab Cowboy State Daily. Pryori mäed külgnevad piirkonnaga Wyomingis, kus on pikaajaline kuulujutt, et grislid seal ringi rändavad; ametlikult pole aga ühtegi märgatud. Pensionil föderaalökoloog Chuck Neal ütles, et karu pärines tõenäoliselt Montana Beartoothi ​​levila grislikarude populatsioonist, mida tuntakse kui "alatäiskasvanud isased grislid löövad välja oma territooriumi rajamiseks". "Karuhammaste idaküljel on grislide populatsioon pesitsenud juba aastaid, aastakümneid," ütles Neal. "Kaugus Beartoothide idaküljest Pryorsi lääneküljeni on võib-olla 20 miili." Sõltuvalt sellest, kas inimesed võtavad uustulnukaid vastu, võib piirkonnas tekkida uus grislikarude populatsioon. Ilmselgelt oleks selleks vaja samas piirkonnas naissoost grislid, mis Neali sõnul võib juhtuda vaid mõne aasta pärast. "Reeglina – ja metsloomade bioloogias pole miski karm ja kiire reegel –, kuid üldiselt on karude levila laiendamisel emased isastest viis aastat maas," ütles Neal. Sellegipoolest kuluks grislide rajamiseks piirkonnas veel aastaid. "Sealse populatsiooni loomiseks oleks vaja emaseid," ütles karubioloog Chris Servheen. "Kuigi piirkonna elanikkond võib olla võimalik, läheks kaua aega, enne kui selline asi juhtuks." Mõne jaoks oleks grislid teretulnud. "Vareste indiaani hõim on teatanud, et nad tahaksid näha grislide leviala laiendamist," ütles Neal. Grislikaru võib aga just teel Bighorni ahelikule või sealt edasi liikuda. See on tõesti oletus, kas karu elab piirkonnas või jätkab lihtsalt liikumist. "Pryorid on sisuliselt osa Bighornidest. Levilasid eraldab ainult Bighorni jõe kanjon. See on üsna suur takistus, kuid grislikarud on väga osavad takistustest mööda hiilima, ”ütles Neal

Post: 18 July 17:38

Dozens of drunk grizzlies hit by trains for decades

Drunk grizzly bears have been hit by trains near Glacier National Park in Montana for decades. Spilled grain mixed wi

Dozens of drunk grizzlies hit by trains for decades Drunk grizzly bears have been hit by trains near Glacier National Park in Montana for decades. Spilled grain mixed with moisture from snow and rain equal the perfect concoction to both lure bears and dull their senses. This unfortunate equation means that the bears are too slow to outrun the trains heading their way. Fatalities linked to the fermented grain have been tallied since 1980 with a total of 63 grizzly bears killed along the rail line that stretches over Marias Pass and the Great Bear Wilderness, according to the Cowboy State Daily. This year, three have been killed so far, and, in 2019, which was the worst year on record, eight grizzlies were killed by trains. While two grizzly populations roam the Lower 48, the ones being impacted by trains come from the Northern Continental Divide grizzly population. Chuck Neal, a retired federal ecologist, says the spilled grain “can be a tempting treat for bears” and that “with enough moisture from snow and rain, ‘the spilled grain actually ferments in place and becomes a de facto brewery.’” Bears attracted to the spilled grain “might fall asleep right on site if they get drunk first. They can, and have, fallen asleep in a drunken stupor right on the tracks,” said Neal. “Other times they loiter on the tracks until a train approaches, at high speed, then drunkenly attempt to outrun the train — no can do — and are smashed.” Burlington Northern Santa Fe (BNSF) is the rail company that runs this particular line. Neal said that the company has “been stalling […] for some years” to do anything about the issue like adding noise makers that are triggered as trains approach specific areas like the expanse between Marias Pass and the Great Bear Wilderness. “Another idea is to not load the train cars so full, an idea that BNSF does not like,” said Neal. “Another idea is not run the trains under certain weather conditions when derailment possibilities increase, an idea that BNSF also does not like. So right now, the last word that I have is that not much has been done at all and the bears continue to die.”

Post: 21 November 15:15

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