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Journal Characteristics of Birds
1. List 6 characteristics of Birds. 2. Circle 2 that are unique. 3. Star 2 shared with mammals.
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19 orders
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Birds: Classification
Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Class: Aves Within the class there are 29 Orders 187 Families 9600 Species
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Taxonomy of the Robin Level Name Description Kingdom Animalia Animals
Phylum Chordata Subphylum: Vertebrata Animals with backbones Class Aves Animals called Birds Order (29) Passeriformes Birds that perch Family (187) Turdidae All Thrushes Genus Turdus Similar Thrushes Species (9600) Turdus migratorius American Robin
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Characteristics Unique to Birds
Have Feathers Right aortic arch in heart
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Shared with Mammals Endothermic 4 chambered heart
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Shared w/ Mammals Cont. Large amount of parental care
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Shared with Reptiles Egg laying Egg tooth helps break out of shell
Scales: feathers and on feet Skeletal characteristics (many) Air sacs (similar to turtles and chameleons)
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Historical Incomplete fossil record Soft bones do not fossilize well
Archaeopteryx: (ancient wing) 1. most primitive bird we know of BUT not necessarily the ancestor of birds 2. Discovered in 1861 in Germany: fossil of skeleton with feathers 3. From Jurassic period: 150 mya
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Archaeopteryx Cont. 4. About the size of a crow
Long tail and teeth like a reptile Feathers asymmetrical (characteristic of flight)
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Archaeopteryx
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Functions of Feathers Flight
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Owl in Flight Owl in Flight
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Functions of Feathers Insulation
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Feather Functions Courtship Behavior
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Feather Functions Support
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Feather Functions Communication
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Feather Functions Sound Amplification
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Camouflage
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Feather Functions Carrying Water (African Sand Grouse)
Specially adapted breast feathers can absorb up to 40ml of water. After wading through watering holes to absorb water, the male will return to the nest so the chicks can drink the water from the feathers.
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FEATHERS Feathers are an adaptation of reptilian scales
Sizes range from 1/20 of an inch on an eyelid to 5 feet on a peacock tail! 1,000 to 25,000 feathers per bird
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Feather Types 1. Contour Feathers: smooth, patterned to contribute to appearance
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Feather Types 2. Flight Feather: hollow central shaft (rachis)
Flat vein on either side Barb comes off the vein, contains barbules
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Feather Types 3. Down: very short rachis (shaft)
NON-INTERLOCKING BARBS Insulation: traps air
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Feather Lab Draw quality, gorgeous sketches!
Complete highlighting activity on back. Turn in to green bin. Organize Notebook Show Mrs. Hadley
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New Dinosaur at Carnegie Museum….
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New Bird-Like Dinosaur Journal # 7
To what kind of modern bird is this animal compared? Describe the diet of this animal. Name 2 similarities between Anzu wyliei and modern birds. What is the researcher’s theory on how the crest was used on the head of the animal? How/why did they choose the name of dinosaur?
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