Farmers are reducing the environmental impacts of pesticide use by attracting birds of prey to their lands. In some areas, American kestrels—small falcons—are replacing chemicals by keeping pests and invasive species ...
Ecology
Mar 1, 2018
0
2991
(Phys.org) -- Giant insects ruled the prehistoric skies during periods when Earth's atmosphere was rich in oxygen. Then came the birds. After the evolution of birds about 150 million years ago, insects got smaller despite ...
Evolution
Jun 4, 2012
2
0
(PhysOrg.com) -- Researchers in the US studying the behavior of black-tailed prairie dogs at a local zoo have discovered they behave differently, kissing and cuddling each other more when people are watching than when they ...
A new species of South American fossil terror bird called Llallawavis scagliai ("Scaglia's Magnificent Bird") is shedding light on the diversity of the group and how these giant extinct predators interacted with their environment. ...
Archaeology
Apr 9, 2015
2
366
(Phys.org) -- A new species of feathered dinosaur discovered in southern Germany is further changing the perception of how predatory dinosaurs looked. The fossil of Sciurumimus albersdoerferi, which lived about 150 million ...
Archaeology
Jul 2, 2012
12
0
(PhysOrg.com) -- Lions, tigers and bears top the ecological pyramid-the diagram of the food chain that every school child knows. They eat smaller animals, feeding on energy that flows up from the base where plants convert ...
Ecology
Apr 15, 2010
0
0
Scientists from the Max Planck Institute for Biological Cybernetics in Tübingen, using miniaturised high-speed cameras and high-speed behavioural tracking, discovered that rats move their eyes in opposite directions in both ...
Plants & Animals
May 27, 2013
1
0
(PhysOrg.com) -- New research from Montana State University's Museum of the Rockies has revealed how dinosaurs like Velociraptor and Deinonychus used their famous killer claws, leading to a new hypothesis on the evolution ...
Archaeology
Dec 14, 2011
2
0
In the sports arena, spectators sometimes create a spectacle known as a wave, as successive groups stand up in unison to yell with arms in the air. Now, researchers reporting in Current Biology on December 22 have shown that ...
Plants & Animals
Dec 22, 2021
0
539
Lions, tigers and bears top the ecological pyramid -- the diagram of the food chain that every school child knows. They eat smaller animals, feeding on energy that flows up from the base where plants convert sunlight into ...
Plants & Animals
Apr 5, 2010
0
0
