Tag: bird

Avian mating systems are fairly diverse. Around 90% birds are monogamous, 8% polygynous and 1-2% polyandrous.

Communication is the process of transferring information from one animal to another; there are typically three types of roles involved with communication. These are: Signaller – Initiates the communication,

Introduction In animals all waste products must be excreted from the body in some manner. The urinary system is involved in the excretion of nitrogenous waste products such

Introduction The method of digestion which an animal uses depends on its diet i.e. carnivore, herbivore or omnivore. For example not all mammals are carnivores (e.g. dogs and

Respiration is the process of obtaining sufficient oxygen from an organism’s environment to support its cellular metabolic requirements. Respiration is not just the mechanical process of breathing -