Compléter Features of a Bird QuizVersion en ligne Complete this activity for understanding the features of a bird. par Noel Sayco 1 courtship Feathers features communication insulation are one of the most distinctive of birds . They provide , enable flight , and serve as displays for and . 2 behaviors forelimbs patterns wings flight Almost all birds have , which are modified that enable flight . The structure and shape of wings vary among species depending on their and . 3 beaks grasping filtering strategies feeding Birds have or bills adapted for different , including , probing , tearing , and food . 4 facilitating weight hollow lightweight Birds have skeletons with bones , reducing overall body and flight . 5 regulate internally environments warm temperature Birds are - blooded animals , meaning they can their body , allowing them to thrive in a wide range of . 6 rates high enabling energy sustain flight Birds have metabolic compared to other animals , them to the demands of and other activities . 7 eggs species minimal incubated extensive offspring Most birds lay , which are until they hatch into chicks . Parental care varies among , with some birds providing care to their , while others exhibit parental involvement . 8 flight adaptations numerous specialized circulatory efficient respiratory Birds have for flight , including systems , systems , and powerful muscles . 9 territory attraction communication defense vocalizations Birds produce a variety of for , including songs , calls , and alarms . These vocalizations play important roles in , mate , and social interactions . 10 habitats breeding wintering migrations food seasonal Many bird species undertake , traveling long distances between and grounds in search of and suitable .