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Birds
I. Bird Characteristics
• 1. forelimbs modified into wings
• 2. hindlimbs modified for swimming, walking or perching.
• 3. Feathers
• 4. Warmblooded
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• 5. four chambered heart
• 6. legs with claws and scales
• 7. no teeth
• 8. thin, hollow bones
• 9. many bones fused together
More
• 10. air sacs for extra oxygen while flying• 11. excellent sight and sense of
balance• 12. lay hardshelled eggs• 13. large pectoral muscles• 14. molt (shed) feathers
II. Bird Diversity
• 1. vertebrate class Aves
• 2. 27 orders
• 3. 165 families
• 4. 8700 species
• 5. 383 species observed in Ks (half national total)
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• 6. 149 species are transients
• 7. 234 are residents all or part of the year (55 perm, 127 summer, 53 winter)
• 8. 20 of the orders are found in Ks.
III. Bird Adaptations
• 1. different types of feathers; flight, down, contour and tail
• 2. Feathers;camouflage, attract mate, insulate, waterproof, streamline, acting like ears (owls)
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• 3.nests –wide variety of styles, sizes and sites
• 4.number of eggs varies, care of young is precocial or altricial
• 5. most vocalize to mark territory and/or attract a mate
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• 6.excellent sight, poor smell and variable hearing
• 7. beaks and feet modified for many different uses, see next slides
• Last, a vocabulary list
Vocabulary
• Altricial
• Arboreal
• Carnivorous
• Crepuscular
• Diurnal
• Gregarious
• Herbivorous
• Nocturnal
• Ornithology
• Piscivorous
• Precocial
• Solitary
• Terrestrial
Beaks
• Ducks: sieve-like bill edge strains out water plants and animals• Woodpecker: hard,
sharp chisel mounted on extra-thick skull.
More beaks
• Herons: long neck and bill are spring-loaded spear
• Warblers: precision tool picks small insects off trees
• Finches (Cardinal):seedeaters are equipped with a nutcracker
• Hummingbird: long thin tube dips deep into flowers for nectar
• Hawks: strongly hooked bill tears prey apart.
HOURS – Dec. 13th
KU Museum of Natural History
• Floors of the Museum
• Directions
Squaw Creek NWR
• 4 hours credit for next three weekends only
• (Lots of pics)