Sentence examples for experienced birds from inspiring English sources

The tougher, more experienced, birds managed to press on, and eventually they made landfall, exhausted too, on Britain's coasts.

The first 'generation' in each chain consisted of a single individual, which, once it developed a stable homing route, was paired and flown with a naive partner; then in each pair experienced birds were replaced by further naive birds in stages, to create subsequent generations of pairs (Fig. 1).

For our design, we adapted methods developed for testing CCE in human subjects20: generational succession was simulated through the sequential replacement of experienced birds with naive birds within 10 independent chains as they were repeatedly required to solve the same (navigational) task.

But after the newbies watched experienced birds respond to the cuckoo model, mobbing it and shouting alarm calls, they joined in the attack (as the previously naive blue male superb fairy-wren is doing after learning from the brown female in the photo above).

As a result, "high quality" (i.e., experienced) birds may choose high quality mates to avoid poor synchronization and reduce the need to compensate for a partner who requires more time at sea [66].

It could also be that during the better food year in 2006/07, poorer quality or less experienced birds may have been able to breed than in 2005/06, when low food availability precluded all but the best individuals from breeding.

Some groups of birds are particularly prone to hybridization, he said, adding: "Experienced bird watchers know to watch out for the occasional hybrid gull or duck that exhibits an odd mix of its parents' colors and behaviors.

In other words, the latter rule meant that for consecutive-generation comparisons within the same chain, we compared the track of the 'old' (that is, experienced) bird in a given generation with that of the 'new' (that is, naive) bird in the next generation.

And what do our ways of thinking about and experiencing birds tell us about ourselves?

Hence, risk-takers may be experienced local birds that have learnt to exploit the space around the nest boxes, while immigrant or inexperienced birds may tend to remain at higher levels during singing.

We also found that invasive vegetation removal did not have a cumulative influence on the recreational disturbance experienced by birds.