Sentence examples for birds has shown from inspiring English sources

Recent research in birds has shown, however, that in many species the best predictors of impending attack are low-amplitude vocal signals, soft songs or soft calls, that seem cheap to produce and easy to cheat.

Previous research on the evolutionary consequences of deforestation for rainforest birds has shown that fluctuating assymetry in tarsus length increases in response to deforestation, and a negative relationship between fluctuating assymetry and species' persistence in rainforest fragments [35], [36].

Indeed, among the largest eyes of flying birds are those of strictly nocturnal species such as owls (Strigiformes) and Oilbirds Steatornis caripensis [7], [8], and a general survey of eye size in birds has shown that the nocturnal habit has a strong effect on eye size relative to body mass [9].

Previous work in birds has shown that it is not brain size per se, but the extent to which the brain is either larger or smaller than that expected for a given body size which indicates adaptation for enhanced neural processing [5], [6].

Our analysis of β-keratin copy number variation among birds has shown that the proportion of keratinocyte β-keratins is higher and the proportion of feather β-keratins is lower for aquatic birds compared to terrestrial birds.

The species distribution among the 88 examined birds has shown that the most frequently CoHV-1 was detected in Peregrine Falcons (2/2), rock pigeons (6/11) and Common Buzzards (2/11).

Many of these birds have shown regional population declines and six are species of greatest conservation need in New York.

Moreover, studies of living birds have shown that different shapes and arrangements of melanosomes are associated with different colours, ranging from black via red to buff.

Earlier research by other scientists on tropical birds had shown that competition limited the ranges of most species, a conclusion often presumed to be true for temperate zones as well.

We present the first continent-wide analysis of the population trends of European breeding birds to show that populations of Afro-Palearctic migrant birds have shown a pattern of sustained, often severe, decline.

Project manager Damon Bridge said the older birds had shown "great interest" in the youngsters.