Sentence examples for birds lower from inspiring English sources
Submissive birds lower their head and hold their body horizontal and scurry past dominant individuals.
Only two of 10 birds responded to calls of ravens higher in rank than themselves, and these two juvenile ravens were lowest in rank, hence they could not respond to calls of birds lower in rank than themselves.
In the defensive-threat posture, the bird lowers its head and bill, spreads its tail and ruffles its feathers.
In this display, a bird lowers its bill and erects its nape and head feathers, and sometimes slightly lifts its wings.
Thus, birds flying lower to the ground may suggest inclement weather is on the way.
"While in formation, birds experience lower drag and therefore can fly further.
F.A.A. standards, though, are based on a database of bird strikes going back many years, when the population of large birds was lower.
Total abundance and species richness of frugivorous birds were lower around roadside trees than control trees during most of the study period.
Total density of breeding birds was lower only in woodlots where trees had been cut before 1990s, remaining unchanged in other woodlots (at 23 24 pairs ha−1).
In terms of taxonomy, distributions of the species in zoo collections are biased toward large mammals, and as resources are allocated toward species with public appeal, often left behind are smaller species of mammals and birds and lower vertebrates.
