Arboreal animals are adapted

Which of the following adaptations of birds is helpful for their aerial mode of life?

Which of the following types of beak is present in duck?

Which kind of feet is present in birds to grab a perch tightly?

Which of the following features is found in both birds and fishes?

Which of the following is not a characteristic feature of fishes?

Which of the following fins control(s) the rolling and yawing movements of fish during swimming?

Which of the following is an example of plantigrade animal?

Which of the following is not a characteristic feature of tigers?

Which of the following animals does not run upon the digits?