Studied by 1 person
random other questions
what type of fertilization does plethodontidae
internal
what type of fertilization does sirenidae
external
if an organism has internal fertilization what parent care is it
maternal
if an organism has external fertilization what parent care is it
paternal
what frog does internal fertilization
ascaphidae
what frog does external fertilization
all but ascaphidae
example of type 1 tadpole
pipidae
example of type 2 tadpole
microphylidae
example of type 3 tadpole
ascaphidae
example of type 4 tadpole
megophyidae
why are amphibians vulnerable to habitat degradation
need water and land
conservations issues with frogs
-chirtid fungus
-habitat loss
coastal grooves
increase SA
held distribute water
typanum
ear drum
where do tailed frogs live
fast moving streams
bufo boreas call
chicken pipping
pseudacris regilla call
ribbit
rana boylii call
arm pit farting (short call)
rana catesbaina call
loud hollow sounding
rana draytonii call
quiet urm urms
rana pipens call
woodpecker followed by umms
spea hammondii call
wooden toy
Visual encounter survey
Walk and search for reptiles and amphibians in appropriate habitat
standardize VES
Assumptions: all species are detected, each animal is independent of each other
Auditory calling surveys
Anurans
time and effort
can be expensive
Larval seining and dip-netting
breeding and adult aquatic amphibians, larvae
effort and skill needed
cheap and can sample a large amount
Artificial objects– cover boards
species that cover
standardizes
need to keep in mind eco and environment
Drift fences and pitfall traps
Create wall that directs animals and buckets or funnel traps along fence
Very high capture rates, Standardized efforts
Very labor intensive, Risk to animals
Funnel traps
aquatic or terristal
labor intensive
standardized
Basking traps
basking turtles
standardized
turtles can be wary of traps
Mark recapture
estimate pop size
marking methods: shell notches, pit tags, heat branding, spot pictures
Note 
Flashcard (51)