Question

В чем разница между линянием птиц и рептилий?У чому відмінність між линянням птахів і плазунів?

Answer 1

Линяние птиц мы видим ,а у рептилий нет

Answer 2

Difference between molting in birds and reptiles

Molting is the process of shedding and replacing old feathers or scales in birds and reptiles, respectively. While both birds and reptiles undergo molting, there are some key differences between the two processes.

1. Frequency of molting: Birds generally molt once or twice a year, during which they replace all of their feathers. The timing and duration of molting can vary among different bird species. In contrast, reptiles have a more continuous and gradual process of shedding scales. They shed their scales periodically throughout their lives, with the frequency varying depending on the species and individual.

2. Molting patterns: Birds typically molt symmetrically, meaning that they shed and replace feathers on both sides of their body simultaneously. This ensures that their flight feathers remain balanced and functional. Reptiles, on the other hand, do not have a strict pattern of molting. They may shed scales in patches or sections, and the shedding process can occur at different times for different parts of their body.

3. Feathers vs. scales: Feathers and scales are structurally different. Feathers are highly specialized structures that provide insulation, enable flight, and display vibrant colors for courtship and communication. They are composed of a central shaft with barbs branching off on either side. In contrast, reptile scales are made of keratin and are generally flatter and more rigid than feathers. Scales serve as protection and help reduce water loss in reptiles.

4. Molting triggers: The triggers for molting in birds and reptiles can vary. In birds, molting is often influenced by factors such as changes in daylight duration, hormonal changes, and nutritional status. Reptiles, on the other hand, may molt in response to growth, injury, or changes in environmental conditions such as temperature and humidity.

5. Molting duration: The duration of molting can vary between birds and reptiles. Birds typically complete their molt within a few weeks to a few months, depending on the species. Reptiles, on the other hand, may take longer to shed and replace their scales, with the process sometimes extending over several months.

It's important to note that the information provided above is based on general knowledge about molting in birds and reptiles. For more specific information about particular species or in-depth scientific research, it is recommended to consult reliable sources.