The yearly count of monarch butterflies overwintering in Mexico, released today, shows a decrease of 53% from last year's count and is well below the threshold at which government scientists predict the migration could collapse.
Plants & Animals
Mar 20, 2020
0
86
Monarch butterfly caterpillars living next to roads may be stressed by the sound of passing cars and trucks, according to a new study from the University of Georgia.
Ecology
May 10, 2018
2
86
(PhysOrg.com) -- Female monarch butterflies in eastern North America have significantly declined over the past 30 years, a new study by a University of Georgia researcher reveals.
Plants & Animals
Sep 23, 2009
2
0
An Orland Park, Illinois, woman who raises butterflies in her home hit the monarch migration jackpot: A tiny tag affixed to one of her 2020 butterflies was recovered in the mountainous region of central Mexico where Midwestern ...
Plants & Animals
Sep 10, 2021
0
207
A new University of Guelph study reveals that not all milkweed plants are the same for endangered monarch butterflies looking to lay their eggs.
Ecology
Nov 9, 2017
0
123
The iconic North American monarch butterfly Danaus plexippus plexippus was recently listed in the IUCN's Red List of Threatened Species, signaling that its ongoing decline could lead to extinction. The compounding effects ...
Ecology
Aug 26, 2022
0
66
In a new study, Monarch Watch Director Chip Taylor and colleagues have shown that speculation regarding the declining monarch population, despite having received much attention, is unsupported.
Plants & Animals
Aug 18, 2020
1
2098
If you've ever wondered how the monarch butterfly got its spots, University of Georgia researchers may have just found the answer.
Plants & Animals
Jun 21, 2023
0
234
A trio of German entomologists has found that young monarch caterpillars switch from avoiding milkweed-toxin-rich latex to eating it as they get older. Their paper is published in the journal Proceedings of the Royal Society ...
It's been known for decades that animals such as chimpanzees seek out medicinal herbs to treat their diseases. But in recent years, the list of animal pharmacists has grown much longer, and it now appears that the practice ...
Plants & Animals
Apr 11, 2013
0
0
