After locating a seal loafing on an ice floe, groups of whales rush the floe, their tails pumping in sync to generate a wave that washes the seal into the water.
When alarmed, it bobs its tail and pumps its head up and down.
Worms were considered paralyzed if they exhibited movement of the nose or tail or pharynx pumping, but remained immobile after tapping with a platinum wire pick 3 consecutive times.
Blood (100μl) was collected prior to and 4 days after pump implantation (tail tip) in EDTA-treated tubes to validate the effectiveness of the pumps.
Open image in new window Fig. 40 Coal discharge device. 1 shield beam, 2 tail beam-sliding plate, 3 pump of sliding plate, 4 pump of tail beam, 5 rear link bar, 6 front link bar, 7 base .
The acrobatic, climbing activity of a band is sometimes interrupted when the birds of a whole party bow and sway their bodies, pump their tails up and down, and join in a chorus of chattering calls.
When hungry, a blue whale pumps its tail and fluke, accelerating through swarms of krill and other small animals with a lunge and a gaping jaw that can dangle nearly perpendicular to its body.
The bird pumps its tail while giving this call.
On some circuits she'd cruise by, regarding us with lazy inquisitiveness from eyes that bulged from both sides of her head; others she'd suddenly pick up speed with a pump of her tail, a marbled torpedo of black, white and grey.
AC7700 (10 mg kg−1) was administered via the lateral tail vein using an infusion pump (Harvard Apparatus Co).
