Fill in the Blanks Features of a Bird QuizOnline version Complete this activity for understanding the features of a bird. by Noel Sayco 1 courtship insulation Feathers features communication are one of the most distinctive of birds . They provide , enable flight , and serve as displays for and . 2 patterns forelimbs flight behaviors wings Almost all birds have , which are modified that enable flight . The structure and shape of wings vary among species depending on their and . 3 strategies feeding beaks filtering grasping Birds have or bills adapted for different , including , probing , tearing , and food . 4 hollow weight facilitating lightweight Birds have skeletons with bones , reducing overall body and flight . 5 temperature internally regulate environments warm Birds are - blooded animals , meaning they can their body , allowing them to thrive in a wide range of . 6 sustain energy enabling high flight rates Birds have metabolic compared to other animals , them to the demands of and other activities . 7 offspring eggs minimal incubated extensive species 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 efficient flight circulatory respiratory numerous adaptations specialized Birds have for flight , including systems , systems , and powerful muscles . 9 territory defense communication attraction 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 seasonal wintering food migrations Many bird species undertake , traveling long distances between and grounds in search of and suitable .
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