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Red Knots in Steepest Decline in Years, Threatening the Species' Survival

The annual count along the Delaware Bay beaches showed another severe drop in numbers of the shorebird, whose migration is one of the longest avian journeys in the world. ....

Red Knots , Steepest Decline , Endangered Species , Animal Migration , Atlantic States Marine Fisheries Commission , Your Feed Science , சிவப்பு முடிச்சுகள் , அருகிவரும் இனங்கள் , விலங்கு இடம்பெயர்வு , அட்லாண்டிக் மாநிலங்களில் கடல் மீன்வளம் தரகு , உங்கள் தீவனம் அறிவியல் ,

Feds Plan to Spray Insecticide on 30,000 Acres of Wildlife Habitat on Public Lands in Oregon to Increase Forage for Private Livestock

Sharon Selvaggio , Xerces Society for Invertebrate Conservation (503) 704-0327 sharon.selvaggio@xerces.org ....

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Animal numbers tumble as fences block migratory paths

?Decades ago, one could not see a single barrier and wildebeests would migrate from Loita to Mara before meeting those from Serengeti. ....

Rift Valley , Nairobi Area , Baden Wüberg , Nairobi National Park , Kenya General , Simon Nkoitoi , Maasai Mara , Joseph Ogutu , Alan Donovan , Paula Kahumbu , Ereyiet Oltome , Kenya Wildlife Service , University Of Hohenheim , Institute Of Crop Science , National Environment Management Authority , Amboseli National Park , Masai Mara , Negative Impact , Ungulate Population , African Heritage House , Nairobi National , Biostatistics Unit , Crop Science , Kimana Wildlife Sanctuary , Animal Migration , Wilderbeest Migration ,

SSRD 2021 | Room 5

Molly Hansen - 9:00 AM (Tue.)
Nomada is a genus of parasitic bees currently undergoing a taxonomic revision due to advances in DNA sequencing, which is necessary because they are difficult to identify based on morphology alone. They are also at a higher trophic level than their host species which may make them valuable for indicating broader shifts in bee populations. In order to understand the diversity of local Nomada species, we collected specimens from the greater Salem area and did DNA barcoding to determine how many species are present here. We found at least 10 different taxa, one of which is N. lehighensis. (Advisor: Briana Lindh) ....

United States , Rocky Mountains , Katerin Vasquez , David Craig , Ren Chamarro , Jean David Coen , Emily Hutchinson , Justin Morell , George Walker , Merlyn Rose , Maggie Chapin , Katherine Skovira , Christopher Engbretson , Monce Barajas Gomez , Graciela Quevedo Ramos , Gregorio Allegri , Molly Hansen , Briana Lindh , Rosa Le , James Miley , Aiden Gallagher , Marc Blitzstein , Noah Snizik , Christopher Smith , Paul Taffanel , Franz Schubert ,

Number of monarch butterflies hibernating in Mexico plunged 26% last year — and climate change and forest degradation are to blame

Number of monarch butterflies hibernating in Mexico plunged 26% last year and climate change and forest degradation are to blame
By Li Cohen
February 27, 2021 / 12:40 PM
/ CBS News
Monarch butterflies provide a unique spectacle every fall as they migrate to Mexico to hibernate for the winter. But now, that migration is at risk, as logging and climate change have taken a toll on the areas where these butterflies rest.
According to a new report by the World Wildlife Fund and Mexico s government, the monarch population present for hibernation in Mexico plunged by 26% in December compared to the same month in 2019.
In 2019, the monarchs occupied 2.83 hectares, nearly 7 acres, in their hibernation forests in Mexico. After their latest migration in 2020, however, they occupied just 2.1 hectares, roughly 5.1 acres. ....

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