Birds can raise and lower their crown to change its shape as a form of courtship display, territorial defense or aggression. There is a theory it evolved to protect the bird's head.
Crown birds, such as songbirds and birds of paradise, eat a variety of foods including insects, fruits, seeds, and nectar. They are primarily omnivores, meaning they consume both plant and animal matter.
how are parts of birds & fish similar in structure & function
the function of a tail is to lift its body and to increase the speed of flight
how are parts of birds & fish similar in structure & function
Some birds, such as a cockatiel, will raise the crests on top of their heads so that they resemble crowns. This indicates that the birds are startled, excited, or alarmed.
The crown, or the Queen, actually has absolutely nothing to do with any court case! The term crown in England or State in the United States is simply used to represent the interests of the government.
how are parts of birds & fish similar in structure & function
to attract animals and birds to pollinate
To monitor the temperature of the engine coolant.
They do not have the mammalian neocortex, but they have homologous structures that function in a similar manner.
humming birds are small in size
The main function of seminal vesicle is to manufacture the fluid that makes up around 70% of semen.