Table 1. Summary of data from 5 sites and 3 schools
in the western Upper Peninsula of Michigan
from May 1-Oct. 15, 2000.

School	County	Date of Survey	Wetland Type	No. Frogs and Toads	No. Deformed (%)	No. Species	Species Present^1	Species Deformed
MTU (SYP)	Houghton	4 Aug	Pond	16	1 (6.2)	4	GF, MF, SP, NLF	NLF
“	Houghton	3 Aug	Lake	111	2 ( 1.8)	1	GF	GF
North Central Area Schools	Menominee	31 Aug	Vernal Pond	19	0 (0)	6	BF, MF, GF, NLF, WF, AT	none
Heather Luouto, teacher*	Houghton	19 July	Lake	52	2 (3.8)	2	GF, MF	GF
"	Ontonagon	18 July	"	12	0 (0)	2	GF, MF	none
Hancock Middle School	Houghton	9 Sept	Creek	20	0(0)	3	SP, WF, AT	none
“	“	“	Irrigation Ditch	22	7(31.8)	2	NLF, GF	NLF
“	“	13 Sept	Creek	37	0(0)	2	SP, WF	none
“	“	“	Irrigation Ditch	17	3(17.6)	2	NLF, GF	NLF
John Rosemurgy,** teacher	Houghton	17 Aug	Pond Man made	20	1(5)	1	NLF	NLF

¹ Species codes: Green Frog = GF; Mink Frog = MF; Spring Peeper = SP; Gray Tree Frog = GTF, Northern Leopard Frog = NLF;

Wood Frog = WF; Pickerel Frog = PF; Bull Frog = BF; American Toad = AT.

*Engadine Consolidated Schools

**Washington Middle School, Calumet

Table 2. Total number of frogs and toads sampled in study,
seasonal distribution of sampling, and deformity types.

			Sampling Period^1
Species	No. Sampled	No. Deformed (%)	Spring	Summer	Fall	Types of Deformities
American Toad	3	0	0	2	1	none
Spring Peeper	44	0	0	1	43	none
Gray Treefrog	0	0	0	0	0	none
Green Frog	198	4 (0.02)	0	186	12	1 sagging jaw 1 missing entire hind calf 1 missing entire hind limb 1 missing hind digits
Bull Frog	3	0	0	3	0	None
Northern Leopard Frog	54	12 (32.3)	0	8	27	1 missing hind foot 5 poorly developed hind legs 2 tissue connecting hind leg to body 3 deformed hind legs 1 extra hind limb (atrophied)
Pickerel Frog	0	0	0	0	0	none
Mink Frog	10	0	0	10	0	none
Wood Frog	14	0	0	1	13	none
Total all species	326	16 (0.05)	0	211	96

¹ Spring: 1 May– 15 June; Summer: 16 June – 31 August; Fall: 1 September – October 15.