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The characteristics that qualify birds are:
- warm blooded (endothermic)
- vertebrates (they have a backbone and an internal skeleton)
- breathe using lungs (not gills)
- an outer covering of feathers - this feature is not shared with any other vertebrate group
- reproduce by laying eggs
Other features which are characteristics of birds, but not used to set them apart from other vertebrate groups, include:
- All birds have wings, but not all birds fly: generally, there is reduction of skeletal weight
- Birds have beaks or bills, and do not have teeth
- Birds have two legs
- Birds have a cloaca, a cavity into which the intestinal, urinary, and genital canals empty
- Birds have nucleated red blood cells, unlike mammals
- Birds have a chambered heart
have 2 wings feathers beak and lay eggs
The characteristics that qualify birds are:
warm blooded (endothermic)
vertebrates
breathe using lungs (not gills)
reproduce by laying eggs
What else can I help you with?
The most important characteristic that separates birds from living reptiles is feathers?
Feathers are a unique feature of birds that are not found in living reptiles. Feathers provide insulation, enable flight, and help with courtship displays and camouflage. This characteristic is one of the main distinctions between birds and living reptiles.
Why is the ability to fly not a defining characteristic of birds and what are the defining characteristic of birds?
Some birds do not need to fly, such a penguins, because their food is in the ocean, not the air. After time, they have evolved to not fly. A characteristic of a bird is a beak. Every bird has beak. Other animals, such as tortoises, turtles and dolphins, also have beaks. Every bird has feathers. Feathers keep birds warm, to keep the eggs warm and, well, they wouldn't look good without them. Every bird has 2 feet, a tail, a beak, feathers, and wings.
Which is the most important characteristic of a food that is linked to a conditioned taste aversion for birds?
The most important characteristic of a food linked to conditioned taste aversion in birds is its novelty. Birds are more likely to develop aversions to novel food items due to their innate predisposition to be cautious of unfamiliar tastes, smells, and appearances. This phenomenon helps them avoid potentially harmful substances in their environment.
Can birds have no feathers?
No. Some exceptions are bats, mosquitos, flies, bees, ladybugs, locus, June beetles.
Do penguins have hair?
No, penguins do not have hair. They have feathers that provide insulation to keep them warm in cold water environments. Feathers are a characteristic feature of birds, including penguins.
What is the most notable characteristic of birds which is not found in any other animals?
Feathers - the only outwardly obvious characteristic unique to birds.
What animals are NOT characteristic of the Cenozoic period?
birds
What does the name avian mean?
relating to, or characteristic of birds.
What characteristic distinguishes the birds from other animals?
Feathers!
In a comparison of birds with mammals having four appendages is?
a Shared ancestral characteristic a shared primitive characteristic
Pertaining to or characteristic of birds?
Aquiline ---------- "Aquiline" is specifically eagles. "Avian" is more generally pertaining to birds.
What one characteristic do birds and mammals share that lampreys and mammals do not?
Birds and mammals are air breathers. Lampreys are not.
Birds have a what chambered heart?
Birds have a 4-chambered heart, a characteristic in common with mammals.
What physical characteristic show is a way birds adapt?
beak
Are the majority of birds birds?
AnswerYes, birds are animals.
Why are birds and bats classified in one phylum?
Birds and Bats both have spinal chords, the primary characteristic of the phylum Chordata.
What characteristic is best to classify birds and bats in different groups?
Body Coverings
