my guess is coz some birds can tolerate cold weather while others can't
Most mammals rely on trees for living space and food. Insects use them for camoflauge. While birds use them to keep their nests from harm.
That is a matter of opinion. Some people prefer colder climates while others prefer warmer ones. Or some prefer to live ocean side while others inland. There is no such thing as the best place to live, anywhere.
Some large birds are herbivores while others are not. Some large birds like flamingos dine on a diet of shrimp.
Birds beaks are designed for what they eat and where they live.
Some say Hershey's, while others say it's Ghirardelli's. Yet others prefer Cadbury's. Personally, I prefer semi-sweet. Your opinion may vary.
The beak and the tallons.
Male birds often have bright colors, while the females look more camouflaged to keep them safe.
Some prefer pine or fir, while others prefer oak or walnut. It depends entirely on your point of view.
Some people prefer to drink tequila cold, while others prefer it at room temperature. It ultimately comes down to personal preference.
Aves, or birds, inhabit a wide range of habitats including forests, grasslands, wetlands, deserts, tundra, and even urban areas. Their specific habitat requirements depend on the species, with some birds adapted to live in freshwater environments, while others prefer coastal regions or mountainous areas. Overall, birds have successfully adapted to various habitats around the world.
Many people who work 5 weekdays prefer Saturday because they can sleep in and stay out all night long. While others prefer Sunday, as it is a day focused on rest and family.