pika
皮卡,鼠尾草,鼠尾草属植物,鼠尾巴
Definitions
- 1
- : any of several small, brown to gray tailless mammals of the genus Ochotona, resembling rabbits with short ears and legs and inhabiting western mountains of North America and parts of eastern Europe and Asia.
Examples
To conserve energy, plateau pikas drop their metabolism by about 30 percent.
It would greatly cut down how long pikas needed to spend out in the cold, Speakman says.
At those temps, the grass that pikas usually eat becomes dry and brittle.
The researchers caught pikas scarfing scat on video, and DNA evidence from stomach contents solidified that this behavior is common.
In slide rock and in bouldery moraines up as high as thirteen thousand feet, one finds the pika, or cony.
And that is how Little Chief the Pika learned to make hay while the sun shone in the days of plenty.
On the wildest and most desolate peaks and rock piles is found the cony or pika or "rock rabbit" as it is variously called.
Sense of smell was used by an M. e. muricus that Dixon (1931:72) watched as the ermine followed a three-fourths-grown pika.
The pikas worked a relay system and the weasel abandoned the trail when the fourth pika became the object of the chase.