Birds quiz 1 Flashcards
order anseriformes
waterfowl, 45 species
defining features of anseriformes
adaptations to aquatic habitats, lamellate bill (strainers)
reason for creation of many parts of the NWR system
provide habitat to migrating and winter waterfowl
trumpeter swans conservation
reintroduced to WI/MI/OH/Ontario, WI/MI winter in IN, ecological effects (mute swans exotic and destroy aquatic systems)
bird class
aves
names of North American birds are standardized by the
american ornithological society
archaeopteryx
7 specimens, from German quarries, 135-150 mil years old, modern birds appear at 60 MYA
furcula
fused clavicle
reptilian features
teeth, claws on wings (exception: hoatzin)
thecodonts
longisquama
theropods
compsognathus
order galliformes
chicken-like birds, many game species, widely studied and managed
greater prairie chicken
extirpated from IN, barely hanging in IL
attwaters prairie chicken
endangered
greater sage grouse
proposed for listing as threatened, state-led initiative accepted instead, Trump administration proposed to dump initiative
rhamphotheca
horny sheath cover of the bill, must be worn down regularly
manus anatomy
digit and hand bones in wing reduced and fused, manus attachment point for primaries
leg bones
femur, tibiotarsus, tarsometatarsus, really reduced fibula
pygostyle
reduced tail vertebrae
uncinate process
projections on the ribs, allow rib cage to move as one unit
loons and grebes
two orders, 5-7 species, loons associated with deep water, grebes associated with small ponds, have solid bones
freshwater systems have been destroyed by ____, causing loss of ____ populations
acid rain, loon
bird body temperature
100-107, allows greater resistance to infection but can cause larger issues with stress and an increase in temperature
laparotomy
surgical technique of cutting into the body wall, notable in gendering and assessing breeding condition, associations with body temperature