singing is innate; the species song is learned. :))
music lessons
Vaccinate 50 birds, do not vaccinate 50 other birds, and expose all 100 to the disease.
felin
dog
Robins are the best singers of all the wildlife and nature birds
The crinoid stalks and blastoid heads are the common fossils that best distinguish the classes of birds and reptiles. They classify birds to class aves and reptiles to the class reptilia.
singing is innate; the species song is learned. :))
bird of pray
Highly social
Strict morality and behavior
annoying, obvious, nosy
b
Individual behavior always has a direct affect on family honor
Animals use a communication signal to warn others that a predator is approaching. Birds use songs to warn others of predators.
Behaviorism best describes behavior changes as a result of observing people in various situations.
Usually in the spring months, when all the birds are singing
Paranoid, looking for a way out
for A+ its the customs that define social behavior within a group or society