Sentence examples for birds maintain a from inspiring English sources

Many birds maintain a minimum distance between themselves and their neighbours, as can be seen in the spacing of a flock of swallows perched on a wire.

My faith in quail, more often than not a tough, chewy disappointment, was restored at Town, where the little birds maintain a buttery succulence that makes them just a little firmer than the tiny foie gras fritters that come with them.

"These birds maintain an incredibly high oxygen consumption, one that might be maybe 10 times greater than resting, and they have to maintain that for... hours on end," Hawkes says.

When roosting in the cave however, the birds maintained a significantly higher level of activity.

Birds were filmed from a lateral view and the footfall events quantified using tracker.exe software version 2.6 (Open Source Physics) by tracking the left foot over 5 10 strides during which birds maintained a stable speed and position on the treadmill belt (i.e. they were neither accelerating nor decelerating).

We used realistic food-bearing model salamanders to test whether selection by wild birds maintains a stripe/no-stripe polymorphism.

The centrifugal moult is modified in the tail feathers of woodpeckers and treecreepers, in that it begins with the second innermost pair of feathers and finishes with the central pair of feathers so that the bird maintains a functional climbing tail.

An index of reservoir competence (C i) was derived as the product of three factors: susceptibility (s), the proportion of birds that become infected as a result of exposure; mean daily infectiousness (i), the proportion of vectors that become infected per day; and duration (d) of infectiousness, the number of days that a bird maintains an infectious viremia (12 ).

When the environmental temperature falls, endothermic vertebrates, i.e. mammals and birds, maintain their core body temperature within a narrow range by a thermoregulatory system.

Like other fairywrens, it is a cooperative breeding species, and small groups of birds maintain and defend territories year-round.

Birds maintain contact with each other by tsst or seeee calls, while a short, sharp tsit serves as an alarm call.