Sentence examples for birds were normal from inspiring English sources
When scientists carried out tests on the GM chickens they found that although the birds were still vulnerable to being infected with avian flu and that they became sick with flu, but they did not appear to transmit the virus to other members of their flock, even if these birds were normal, non-GM varieties.
The spirit and appetite of surviving birds were gradually restored to normal by day 8 PI in those which were only slightly affected, and by day 12 PI in those severely affected.
Together with three other birds predicted by PennCNV to be normal, a total of 65 birds were used.
Few birds were seen engaging in their normal foraging activities or assembling in their customary roosts.
Since the birds were taken from the wild, they had a normal experience with birdsong during their development.
Without the normal behaviorally-driven fluctuation in FoxP2, the songs of experimental birds were less accurate copies of the tutor.
"Birds were only sounds".
Birds were still chirping.
Those birds were lethal".
