Louisiana Frogs

Description

Native and invasive anuran species of Louisiana
Emilie Broussard
Flashcards by Emilie Broussard, updated more than 1 year ago
Emilie Broussard
Created by Emilie Broussard almost 5 years ago
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Resource summary

Question Answer
Short & squat Sickle-shaped spade on hind feet Two yellowish lines from eyes running down back, forming an hourglass shape Terrestrial burrowing ecomorph LA Range: NW LA & E of MR Scaphiopus holbrookii (Family: Scaphiopodidae) Common Name: Eastern Spadefoot Toad
Parotid glands separate or connected to ridge by spur (more space in between than Fowlers) 1-2 large warts in each of large dark spots Light mid-dorsal stripe (may be absent) Upland hardwood and pine forests LA Range: E of MR Bufo charlesmithi (Family: Bufonidae) Common Name: American Toad
Parotid glands long and touch cranial crests 3+ warts in large dark spots Light mid-dorsal stripe Range: SE & E US Bufo fowleri/woodhousii (Family: Bufonidae) Common Name: Fowler's/Woodhouse's Toad
Small Mid-dorsal stripe from snout to tailbone Cute Range: Florida parishes Bufo quercicus (Family: Bufonidae) Oak Toad
Knobs at rear of interorbital crests with distinct rise at posterior Two crests run forward from the knobs and approach each other towards the snout Pine flatwoods and mixed hardwood Range: E LA Bufo terrestris (Family: Bufonidae) Common Name: Southern Toad
Light mid-dorsal stripe Cranial crests strongly developed with deep valley in center of head Parotid glands often triangular Best toad Bottomland and mixed hardwoods, marsh forests Range: S LA Bufo nebulifer (Family: Bufonidae) Gulf Coast Toad
Dark band on face Dark X/cross on back Pretty small Most forested areas Range: Statewide Pseudocris crucifer (Family: Hylidae) Common Name: Spring Peeper
Black spots on back and near groin Black mask from snout to midbody, continuing on posterior Black mask runs through eye Yellow groin Pine and mixed flatwoods Range: SE US; last seen in LA in 1954 Pseudacris ornata (Family: Hylidae) Common Name: Ornate Chorus Frog
Dark spot below eye Pale grey/brown Stout forelegs LACKS continuous light line on upper lip Pastures and hardwood Range: NW LA Pseudacris streckeri (Family: Hylidae) Strecker's Chorus Frog
Striped pattern Light line along upper lip Dark stripe from snout to groin, passes through eye Everywhere but brackish/salt/large swamps Range: Statewide Pseudacris fouquettei (& triseriata/feriarum) (Family: Hylidae) Common Name: Upland Chorus Frog
Dark triangle between eyes Broad mid-dorsolateral band Irregular dark band along rear thigh Extensive feet webbing Blunt head Most habitats Range: Statewide (-salt marsh) Acris crepitans/blanchardi (Family: Hylidae) Common Name: Northern/Blanchard's Cricket Frog
Dark triangle between eyes Thin middorsal stripe Feet not as webbed as crepitans Clean dark stripe on thigh Sharply pointed head Range: Florida parishes Acris gryllus (Family: Hylidae) Southern Cricket Frog
Light spot under eye Concealed part of hind legs pale yellow/green (NOT ORANGE) Tetraploid Swampy Range: Disjunct Hyla avivoca (Family: Hylidae) Bird-voiced Treefrog
Usually grey or green Hidden parts of hind legs bright orange, mottled with black Warty for a treefrog Hyla chrysocelis/versicolor (Family: Hylidae) Common Name: (Cope's) Gray Treefrog
Variable color but usually bright green Well-defined lateral stripe (anterior) All habitats Range: Statewide (-saltmarsh) Hyla cinerea (Family: Hylidae) Common Name: Green Treefrog
Dark line from snout along mid-lateral Small spots near rear of thigh No spot below eye Pine habitats Range: Florida parishes Hyla femoralis (Family: Hylidae) Common Name: Pine Woods Treefrog
Large, stout Very spotted Black/brown spots and yellow/white dots (on specimen visible on sides) Bumpy skin Pine habitats Range: Florida Parishes Hyla gratiosa (Family: Hylidae) Common Name: Barking Treefrog
Variable color Often dark bar/spot between eyes Sometimes a light lateral stripe (not as pronounced as H. cinerea) Hyla squirella (Family: Hylidae) Squirrel Treefrog
Large, circular toepads Skin on top of head fused to skull Dark irregular marks on head and back Undersides and limbs dull pink Urban Introduced NOLA area Osteopilus septentrionalis (Family: Hylidae) Cuban Tree Frog
Can be striped or mottled Striped has longitudinal light stripes Direct development Invasive Eleutherodactylus planirostris (Family: Hylidae) Greenhouse Frog
Mottled light brown or green Rostrum more pointed that E. planirostris Invasive Eleutherodactylus cystignathoides (Family: Hylidae) Common Name: Rio Grande Chrirping Frog
Small and narrow head, snout short Broad, light dorsolateral strips Transverse skin fold on back of head behind eyes Unwebbed feet Irritating skin irritants Statewide Gastrophryne carolinensis (Family: Microhylidae) Common Name: Eastern Narrowmouth Toad
Dorsolateral ridges present behind tympanum but absent from trunk Snout blunt Toes webbed Rana catesbieana (Family: Ranidae) Common Name: American Bullfrog
Usually brown Heavily spotted Belly has netlike pattern that fades towards head Feet more extensively webbed than American Rana grylio (Family: Ranidae) Pig Frog
Bronzy color Center of tympanum elevated Dorsolateral ridges becomes disjunct at forelimbs and does not reach groin Rana clamitans (Family: Ranidae) Common Name: Bronze Frog
Bronze or green Irregular blotches (more background than spots) Dorsolateral ridges Distinct light line along upper jaw Light spot in center of tympanum Snout is pointed Rana sphenocephala (Family: Ranidae) Common Name: Southern Leopard Frog
Squarish dark spots in rows down back Bright yellow/orange on hind legs Light line along upper jaw Prominent dorsolateral ridges extend to groin Rana palustris (Family: Ranidae) Common Name: Pikerel Frog)
Dark rounded dorsal spots encircled with light borders Belly unspotted Burrower Rana areolata (Family: Ranidae) Common Name: Crawfish Frog
Warts Dorsal dark but variable Ventral always spotted Spots lack light encirclement Rana sevosa (Family: Ranidae) Common Name: Gopher Frog
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