The pipes, which you can hear in the 2013 footage below, are similar to the shrieks or screams from mammals and other social animals in duress. "Animals that live in groups like to share information about predators," noted Mattila. "Groups and flocks work together to keep informed about da...
Two decades after H5N1 ‘bird flu’ became established in poultry in Southeast Asia, its descendants have resurged3, setting off a H5N1 panzootic in wild birds that is fuelled by: (1) rapid intercontinental spread, reaching South America and Antarctica for the first time4,5; (2) fast ...
1994. Demographics of small mammals using anthropogenic desert riparian habitat in Arizona. Journal of Wildlife Management 58:445- 454.ANDERSEN, D.C. 1994. Demographics of small mammals using anthropogenic desert riparian habitat in Ari- zona. Journal of Wildlife Management 58:445-454....
Montane voles are found primarily in thenorthwestern United Statesbut have been seen as far north as British Columbia and as far south as Arizona and New Mexico. They occupy grasslands and alpine meadows. These voles move along a well-constructed set of shared runaways, almost like highway syst...
The new theory developed from the observation that some animals live fast and die young, while others take their time and mature much later. This is called the slow-fast life-history continuum, where "fast" animals – such as mice – breed very quickly, while humans mature slowly and are ...
In any case, things aren’t necessarily less surprising if we imagine that small multituberculates were viviparous. Again, the dimensions and shape of the multituberculate pelvis mean that live babies would have to be tiny. Kielan-Jaworowska (1979) worked out that the head of a newbornKry...
a烟囱里冒出浓烟 In the chimney emits the thick smoke[translate] a瞧那群在打篮球的孩子们 Looks that crowd the children who plays the basketball[translate] a我住江苏省常州市 I live the Jiangsu Province Changzhou[translate] a在玛丽亚的帮助下,他可以按时完成的工作 Under Maria's help, the work ...
A humpback whale (Megaptera novaeangliae) pictured in Cape Cod Bay off the coast of Massachusetts in the United States. Credit: Adam Wilson "We are living through an era of rapid environmental change and biodiversity loss," Wilson adds. "Understanding the mechanisms that led to the current spati...
Looks at the sampling of blood as a technique used in mammalian research, with focus on a 1-year study conducted in southeastern Arizona on the survival of small mammals that had been anesthetized. Methodology used in the study; Reference to the observation that no studies were conducted on ...