| Total Records: | |||
| Date | Location | Species | ObsID |
|---|---|---|---|
| 1957/11/21 | Jackson, Iowa | Myotis septentrionalis | 1607 |
| 1958/10/15 | Dubuque, Iowa | Eptesicus fuscus | 11307 |
| 1958/10/15 | Dubuque, Iowa | Myotis lucifugus | 11308 |
| 1958/10/15 | Dubuque, Iowa | Myotis sodalis | 11309 |
| 1958/10/15 | Dubuque, Iowa | Pipistrellus subflavus | 11310 |
| 1958/10/15 | Dubuque, Iowa | Eptesicus fuscus | 11311 |
| 1958/10/15 | Dubuque, Iowa | Eptesicus fuscus | 11312 |
| 1958/10/15 | Dubuque, Iowa | Eptesicus fuscus | 11313 |
| 1958/10/15 | Dubuque, Iowa | Myotis lucifugus | 11314 |
| 1958/10/15 | Dubuque, Iowa | Eptesicus fuscus | 11315 |
| 1958/10/15 | Dubuque, Iowa | Pipistrellus subflavus | 11316 |
| 1960/08/00 | Cass, Iowa | Lasiurus borealis | 17413 |
| 1961/06/13 | Story, Iowa | Lasiurus borealis | 4952 |
| 1962/08/00 | Cass, Iowa | Lasiurus borealis | 17414 |
| 1962/08/01 | Cass, Iowa | Lasiurus cinereus | 17415 |
| 1962/08/01 | Cass, Iowa | Lasiurus cinereus | 17416 |
| 1963/07/00 | Cass/Pottawattamie, Iowa | Lasiurus borealis | 17430 |
| 1963/07/27 | Cass/Pottawattamie, Iowa | Lasiurus cinereus | 17417 |
| 1963/07/27 | Cass/Pottawattamie, Iowa | Lasiurus cinereus | 17418 |
| 1963/07/28 | Cass/Pottawattamie, Iowa | Lasiurus cinereus | 17419 |
| 1963/07/28 | Cass/Pottawattamie, Iowa | Lasiurus cinereus | 17420 |
| 1963/07/30 | Cass/Pottawattamie, Iowa | Lasiurus cinereus | 17421 |
| 1963/08/01 | Cass/Pottawattamie, Iowa | Lasiurus cinereus | 17422 |
| 1963/08/03 | Cass/Pottawattamie, Iowa | Lasiurus cinereus | 17423 |
| 1963/08/03 | Cass/Pottawattamie, Iowa | Lasiurus cinereus | 17424 |
| 1963/08/03 | Cass/Pottawattamie, Iowa | Lasiurus cinereus | 17425 |
| 1963/08/03 | Cass/Pottawattamie, Iowa | Lasiurus cinereus | 17426 |
| 1963/08/04 | Cass/Pottawattamie, Iowa | Lasiurus cinereus | 17427 |
| 1963/08/04 | Cass/Pottawattamie, Iowa | Lasiurus cinereus | 17428 |
| 1963/08/07 | Cass/Pottawattamie, Iowa | Lasiurus cinereus | 17429 |
| 1965/08/00 | Page, Iowa | Nycticeius humeralis | 11235 |
| 1965/08/00 | Taylor, Iowa | Nycticeius humeralis | 11236 |
| 1966/06/10 | Taylor, Iowa | Nycticeius humeralis | 6245 |
| 1966/07/21 | Page, Iowa | Nycticeius humeralis | 6244 |
| 1971/12/30 | Jones, Iowa | Myotis lucifugus | 23010 |
| 1971/12/30 | Jones, Iowa | Myotis septentrionalis | 23012 |
| 1971/12/30 | Jones, Iowa | Pipistrellus subflavus | 23014 |
| 1971/12/30 | Jones, Iowa | Eptesicus fuscus | 23016 |
| 1972/12/30 | Jones, Iowa | Eptesicus fuscus | 23017 |
| 1972/12/30 | Jones, Iowa | Pipistrellus subflavus | 23015 |
| 1972/12/30 | Jones, Iowa | Myotis septentrionalis | 23013 |
| 1972/12/30 | Jones, Iowa | Myotis lucifugus | 23011 |
| 1972/12/30 | Jackson, Iowa | Eptesicus fuscus | 23009 |
| 1973/12/30 | Jones, Iowa | multiple species multiple species | 23018 |
| 1982/12/30 | Dubuque, Iowa | Pipistrellus subflavus | 23007 |
| 1983/12/30 | Dubuque, Iowa | Eptesicus fuscus | 23008 |
| 1983/12/30 | Dubuque, Iowa | Myotis lucifugus | 23008 |
| 1983/12/30 | Jones, Iowa | Eptesicus fuscus | 22982 |
| 1983/12/30 | Jones, Iowa | Myotis septentrionalis | 22983 |
| 1983/12/30 | Jones, Iowa | Myotis lucifugus | 22984 |
| 1983/12/30 | Jones, Iowa | Pipistrellus subflavus | 22985 |
| 1983/12/30 | Jones, Iowa | unknown unknown | 22986 |
| 1983/12/30 | Jones, Iowa | Eptesicus fuscus | 22987 |
| 1983/12/30 | Jones, Iowa | Pipistrellus subflavus | 22988 |
| 1983/12/30 | Jackson, Iowa | Eptesicus fuscus | 22989 |
| 1983/12/30 | Dubuque, Iowa | Myotis lucifugus | 22990 |
| 1983/12/30 | Dubuque, Iowa | Eptesicus fuscus | 22991 |
| 1983/12/30 | Dubuque, Iowa | Myotis lucifugus | 22992 |
| 1983/12/30 | Dubuque, Iowa | Pipistrellus subflavus | 22993 |
| 1983/12/30 | Dubuque, Iowa | Eptesicus fuscus | 22994 |
| 1983/12/30 | Dubuque, Iowa | Myotis lucifugus | 22995 |
| 1983/12/30 | Dubuque, Iowa | Pipistrellus subflavus | 22996 |
| 1983/12/30 | Dubuque, Iowa | Myotis septentrionalis | 22997 |
| 1983/12/30 | Dubuque, Iowa | Myotis lucifugus | 22998 |
| 1983/12/30 | Dubuque, Iowa | Pipistrellus subflavus | 22999 |
| 1983/12/30 | Dubuque, Iowa | Eptesicus fuscus | 23000 |
| 1983/12/30 | Dubuque, Iowa | Pipistrellus subflavus | 23001 |
| 1983/12/30 | Dubuque, Iowa | Pipistrellus subflavus | 23002 |
| 1983/12/30 | Dubuque, Iowa | Pipistrellus subflavus | 23003 |
| 1983/12/30 | Dubuque, Iowa | Eptesicus fuscus | 23004 |
| 1983/12/30 | Dubuque, Iowa | Pipistrellus subflavus | 23005 |
| 1983/12/30 | Dubuque, Iowa | Pipistrellus subflavus | 23006 |
| 1983/12/30 | Dubuque, Iowa | Eptesicus fuscus | 23006 |
| 1991/06/27 | Marion, Iowa | Nycticeius humeralis | 22019 |
| 1991/06/29 | Marion, Iowa | Nycticeius humeralis | 22020 |
| 1991/07/02 | Marion, Iowa | Nycticeius humeralis | 22021 |
| 1991/07/04 | Marion, Iowa | Nycticeius humeralis | 22022 |
| 1991/07/06 | Marion, Iowa | Nycticeius humeralis | 22023 |
| 1991/07/07 | Marion, Iowa | Nycticeius humeralis | 22024 |
| 1991/07/07 | Marion, Iowa | Nycticeius humeralis | 22025 |
| 1991/07/07 | Marion, Iowa | Nycticeius humeralis | 22026 |
| 1991/07/08 | Marion, Iowa | Nycticeius humeralis | 22027 |
| 1991/07/08 | Marion, Iowa | Nycticeius humeralis | 22028 |
| 1991/07/08 | Marion, Iowa | Nycticeius humeralis | 22029 |
| 1991/07/09 | Marion, Iowa | Nycticeius humeralis | 22030 |
| 1991/07/10 | Marion, Iowa | Nycticeius humeralis | 22031 |
| 1991/07/11 | Marion, Iowa | Nycticeius humeralis | 22032 |
| 1991/07/11 | Marion, Iowa | Nycticeius humeralis | 22033 |
| 1991/07/11 | Marion, Iowa | Nycticeius humeralis | 22034 |
| 1991/07/12 | Marion, Iowa | Nycticeius humeralis | 22035 |
| 1991/07/12 | Marion, Iowa | Nycticeius humeralis | 22036 |
| 1991/07/13 | Marion, Iowa | Nycticeius humeralis | 22037 |
| 1991/07/13 | Marion, Iowa | Nycticeius humeralis | 22038 |
| 1991/07/13 | Marion, Iowa | Nycticeius humeralis | 22039 |
| 1992/06/18 | Marion, Iowa | Nycticeius humeralis | 22040 |
| 1992/06/18 | Marion, Iowa | Nycticeius humeralis | 22048 |
| 1992/06/18 | Marion, Iowa | Nycticeius humeralis | 22049 |
| 1992/06/19 | Marion, Iowa | Nycticeius humeralis | 22041 |
| 1992/06/19 | Marion, Iowa | Nycticeius humeralis | 22042 |
| 1992/06/20 | Marion, Iowa | Nycticeius humeralis | 22045 |
| 1992/06/21 | Marion, Iowa | Nycticeius humeralis | 22043 |
| 1992/06/21 | Marion, Iowa | Nycticeius humeralis | 22044 |
| 1992/06/22 | Marion, Iowa | Nycticeius humeralis | 22046 |
| 1992/06/23 | Marion, Iowa | Nycticeius humeralis | 22047 |
| 1992/06/23 | Marion, Iowa | Nycticeius humeralis | 22051 |
| 1992/06/24 | Marion, Iowa | Nycticeius humeralis | 22050 |