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Bird Anatomy Flashcards
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- 1What is the Furcula?"The wishbone"; a flexible bone that aids in flight.
- 2What is the Keel?A large bone to which the powerful breast muscles attach.
- 3What bones of the bird have the same names as their human counterparts?Leg bones (femur, tibia, fibula) and wing bones (humerus, radius, ulna).
- 4What is the function of a birds kidneys?Helps filter nitrogenous wastes, but doesn't eliminate urea (urine) like humans!
- 5How do birds eliminate nitrogenous wastes?In the form of uric acid, aka the white stuff on your car.
(Ew, I'm going to wash my car... Oh wait) - 6How many chambers does a birdie heart have?Four, just like mammals.
- 7Why do birds rely on their higher metabolic rate?To increase the speed of nerve cells.
- 8What parts of the bird help maintain the body temperature?Feet and legs
- 9Why do some birds extend and expose their wings in extreme heat?To regulate body temps (ex. Least Tern)
- 10What makes a bird's respiratory system so efficient?Air flows in only one direction, and they are equipped with elaborate system of air sacs.
- 11What is the Syrnx?Key part of avian anatomy. Located at the base of the trachea and is responsible for bird vocalizations.
- 12What are ways birds maintain body temp?Legs, feet, exposing and extending wings.
- 13Where does the fertilization of the eggs occur?Internally, in the oviduct.
- 14What is the shortest amount of time between fertilization and laying of eggs?24 hours
- 15How are avian chromosomes designated?Male (ZZ)
Female (WZ) - 16What is the typical arrangement for breeding in birds?One male with one female.
- 17What are a few reasons that females may choose males?Territory or competition, but sometimes choice is completely unrelated.
- 18What is a lek?A place that females choose males. Think single's bar: men strut their stuff. More colorful and large feathers may create thought: this guy has good genes.
- 19How does incubation work?Varies. Usually split, but sometimes left to one parent. Females will shed fathers and create a "brooding patch".
- 20What are some places that nesting success is higher?Higher altitudes and holes. Helps when bird is larger.
- 21What is cooperative breeding?When nonbreeding birds work together breeding pairs to raise young?
- 22Types of nests?There are cavity nesters, cup nesters, and scrape nesters like the Least Tern.
- 23What is brood parasitism?Behavior of laying eggs in different nests. These eggs will usually crowd out or kill other birds.
- 24What is the difference between altricial young and precocial young?Altricial= "young, blind, and helpless"
Precocial= may leave the nest within days of hatching - 25Describe the terms of bird development in order from youngest to oldest.Hatchling, Nestling, Fledgling, Immature, and Mature/Adult.
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- High school Ornithology Final Fichas sobre Bird Anatomy Flashcards, creado por jessica.laplant79 el 17/12/2014.
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- jessica.laplant79
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