Showing a female ostrich incubating eggs on a nest consisting of a small circular mound of sand in a field.
We see a black crow tightly holding a human mask which he is in the act of incubating.
Brain and spinal cord from cattle incubating BSE ought not to have entered human food after the SBO ban in 1989.
The hairbulb pigmentation test is used to identify carriers by incubating a piece of the person's hair in a solution of tyrosine, a substance in food which the body uses to make melanin.
A trap is placed over a nest and the incubating bird triggers it to close when it returns to incubate.