Question

Чем отличаются птицы от млекопитающих

Answer 1

У птиц есть ряд иных признаков) отличительными от млекопитающими можно назвать такие признаки, как наличие клюва и приспособление тела к полету. 

Answer 2

Птицы летают,млекопитающие нет
млекопитающие с рождения питаются молоком,птицы нет

Answer 3

Difference between Birds and Mammals

Birds and mammals are two distinct groups of animals with several key differences. Here are some of the main differences between birds and mammals:

1. Body Covering: - Birds have feathers that cover their bodies, while mammals have hair or fur.

2. Reproduction: - Birds lay eggs, while mammals give birth to live young.

3. Respiration: - Birds have lungs for respiration, while mammals also have lungs but may also have additional respiratory structures like gills or blowholes, depending on the species.

4. Skeletal System: - Birds have a lightweight skeleton with hollow bones, which allows for flight. In contrast, mammals have a heavier and more solid skeletal structure.

5. Warm-Bloodedness: - Both birds and mammals are warm-blooded, meaning they can regulate their body temperature internally. However, birds generally have a higher body temperature than mammals.

6. Flight: - Birds are the only animals capable of sustained flight, thanks to their unique adaptations such as wings and a streamlined body shape. Mammals, on the other hand, have evolved different modes of locomotion, such as walking, running, swimming, or gliding.

7. Feeding Habits: - Birds have a beak or bill, which they use to catch and eat their food. Mammals have a variety of specialized teeth for different types of feeding, such as herbivorous, carnivorous, or omnivorous diets.

8. Sensory Organs: - Birds have excellent vision and hearing, with some species having the ability to see ultraviolet light. Mammals also have well-developed vision and hearing, but their sense of smell is often more acute than that of birds.

9. Flight Adaptations: - Birds have wings and feathers that enable them to fly. They also have a lightweight body structure, a keeled breastbone (sternum), and powerful flight muscles. Mammals, on the other hand, have adapted to their specific environments with various locomotion methods, such as running, swimming, or climbing.

It's important to note that while these are general differences between birds and mammals, there are exceptions and variations within each group. For example, some mammals, like bats, are capable of flight, and some birds, like penguins, have adapted to a flightless lifestyle