hormones
Animals use pheromones to communicate with each other by signaling information about mating, territory marking, and warning signals. Pheromones help animals identify members of their species, locate suitable mates, and establish social hierarchies within their groups.
Coyotes howl to attract a mate. Howling occurs in January and February when they are looking for mates. They also use scent to attract their mate.
they smell really bad all the time and so do humans so they can smell them
They use camelflage bitchess!!
They make different noises
Yes, some species of penguins use pebbles as a form of courtship behavior to attract and propose to their mates.
One of the most famous is the peacock, but plenty of other animals, like cuttlefish, show off using their colors. Animals like elk, elephants, and monkeys, make a fuss, or cause damage to attract mates, of frighten carnivores.
It gets their attention. Humans do it too. We dress well, show off our physical features, whether it is women showing nice legs or men showing their muscles etc. It is a way that all sorts of creatures attract mates. Some creatures also use body parts to attract prey, as a way of getting their food. Camouflage is a bit like that too.
No, peacocks do not have tusks, nor does any other bird.
Yes, penguins use rocks in their mating rituals to build nests and attract mates.
whales use echolocation to find each other and birds... i think to attract mates.
Croaching....I think that's how you spell it.