Sentence examples for birds have lost from inspiring English sources

Comparing genomes across species opens up research questions, says Zhang. "Birds have lost a lot of genes throughout evolutionary history," he says, which has made the bird genome quite small compared to those of other animals, such as reptiles.

A new study examines why some types of birds have lost their penises thanks to evolution (so that hens can control their species' population, apparently).

Reptiles and birds have lost LCNS from the amniote ancestor more slowly than mammals.

The phylogenetic analyses of Type I and II α-keratins support the interpretation that birds have lost 14 α-keratin gene variants (see Table  1).

Similarly, in crocodiles ERK1 protein is undetectable relative to ERK2 and its sequence remains fully functional however, it is unlikely to play a specific role since in the same clade of Archosaurians since birds have lost erk1 altogether.

The advantage of having a UV-induced DNA-repair mechanism in species that develop in a protective egg-shell or inside the mother's uterus is probably low, which could give a rationale why mammals, snakes or birds have lost Cry5.

This did not occur with the tooth buds in the treated chicks, presumably because birds had lost the ability to make these two substances.

The glass people tried putting tape on the perches, but by that time the birds had lost interest and just stood around on the floor, sick of the whole damn thing.

Our magnetic manipulation was only partially successful because most birds had lost their magnets by the time they returned from foraging, limiting the robustness of inferences about the impact of magnetic disruption on foraging or the role of magnetic cues in orientation.

One of the recaptured birds had lost the geolocator en route.

After two decades of flying high, the wet-brined bird has lost altitude with many of the food-media influencers who sent it soaring.