< http :// proquest. umi. com. www. library. gatech. edu: 2048 / pqdlink? Ver = 1 & Exp = 01-28-2016 & FMT = 7 & DID = 12724246 & RQT = 309 >.</ ref > The flight speed of the Gray Bat, M. grisescens, has been calculated at 20. 3 km / h ( 12. 61 mph ) during migration.
< http :// proquest. umi. com. www. library. gatech. edu: 2048 / pqdlink? Ver = 1 & Exp = 01-28-2016 & FMT = 7 & DID = 12724246 & RQT = 309 >.</ ref >
< http :// proquest. umi. com. www. library. gatech. edu: 2048 / pqdlink? Ver = 1 & Exp = 01-28-2016 & FMT = 7 & DID = 12724246 & RQT = 309 >.</ ref >
< http :// proquest. umi. com. www. library. gatech. edu: 2048 / pqdlink? Ver = 1 & Exp = 01-28-2016 & FMT = 7 & DID = 12724246 & RQT = 309 >.</ ref > Gray Bats use caves differently at different times of the year.
< http :// proquest. umi. com. www. library. gatech. edu: 2048 / pqdweb? did = 1000187651 & Fmt = 4 & VInst = PROD & VType = PQD & RQT = 309 & VName = PQD &>.</ ref >
< http :// proquest. umi. com. www. library. gatech. edu: 2048 / pqdlink? Ver = 1 & Exp = 01-28-2016 & FMT = 7 & DID = 12724246 & RQT = 309 >.</ ref > and in the riparian forests nearby these water sources .< ref > V.
< http :// proquest. umi. com. www. library. gatech. edu: 2048 / pqdweb? did = 1000187651 & Fmt = 4 & VInst = PROD & VType = PQD & RQT = 309 & VName = PQD &>.</ ref > M. grisescens activity tends to be concentrated over slower moving water or quiet pools than areas of fast moving water.
< http :// proquest. umi. com. www. library. gatech. edu: 2048 / pqdlink? Ver = 1 & Exp = 01-28-2016 & FMT = 7 & DID = 12724246 & RQT = 309 >.</ ref > and Plecoptera ( stoneflies ).< ref > V.
< http :// proquest. umi. com. www. library. gatech. edu: 2048 / pqdweb? did = 1000187651 & Fmt = 4 & VInst = PROD & VType = PQD & RQT = 309 & VName = PQD &>.</ ref > Juveniles have a tendency to forage more in woodlands and eat more Coleopterans than adults, perhaps they provide a greater energy reward per unit of capture effort .< ref > V.
< http :// proquest. umi. com. www. library. gatech. edu: 2048 / pqdweb? did = 1000187651 & Fmt = 4 & VInst = PROD & VType = PQD & RQT = 309 & VName = PQD &>.</ ref > For example, Coleopterans provide 1900-2800 calories / g wet weight versus 800-1400 calories / g wet weight for ephemopterans.
< http :// proquest. umi. com. www. library. gatech. edu: 2048 / pqdweb? did = 1000187651 & Fmt = 4 & VInst = PROD & VType = PQD & RQT = 309 & VName = PQD &>.</ ref >
< http :// proquest. umi. com. www. library. gatech. edu: 2048 / pqdlink? Ver = 1 & Exp = 01-28-2016 & FMT = 7 & DID = 12724246 & RQT = 309 >.</ ref > consistent with Optimal Foraging Theory that predicts palatable insects of an appropriate size should be eaten when encountered .< ref > V.
< http :// proquest. umi. com. www. library. gatech. edu: 2048 / pqdweb? did = 1000187651 & Fmt = 4 & VInst = PROD & VType = PQD & RQT = 309 & VName = PQD &>.</ ref > In captivity, under controlled laboratory conditions, however, insectivorous bats used echolocation to discriminate heavily among potential prey based on shape and texture of a target.
< http :// proquest. umi. com. www. library. gatech. edu: 2048 / pqdlink? Ver = 1 & Exp = 01-28-2016 & FMT = 7 & DID = 12724246 & RQT = 309 >.</ ref > Because of this tendency to select prey while being largely opportunistic, Gray Bats have been dubbed ‘ selective opportunists ’.< ref > V.
< http :// proquest. umi. com. www. library. gatech. edu: 2048 / pqdweb? did = 1000187651 & Fmt = 4 & VInst = PROD & VType = PQD & RQT = 309 & VName = PQD &>.</ ref > Scientists believe that food moves quickly through the digestive tract of M. grisescens, with feces being purged from the body within 1 – 2 hours prior to ingestion .< ref > Best, T. L., B. A. Milam, T. D.
< http :// proquest. umi. com. www. library. gatech. edu: 2048 / pqdlink? Ver = 1 & Exp = 01-28-2016 & FMT = 7 & DID = 12724246 & RQT = 309 >.</ ref >
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