also thought she had been fighting, as one ear appeared to be injured. Upon closer inspection, I found that the nick in her ear was a spay and release marker, and that she was actually well cared for, complete with provided food and even a mailbox:

Piper receives fun little messages from fans in her little mailbox, as well as food donations in her bowls.

Piper has warm blankets in the two large pipes that she uses as beds, plenty of food and water, and many adoring fans that stop by to say hello. While she doesn't enjoy being picked up, she does enjoy when a calm, patient person hangs out long enough for her to let them pet her.

From this angle, you can see Piper's name on her mailboxand Animals Sampling {#sec2.1}
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The field study was conducted at eleven sites on ten major rivers in the Czech Republic ([Figure 1](#fig1){ref-type="fig"}) in 2011. The locations were the Lužnice site (the Bechyně River, river km 11), the Topělec site (the Otava River, river km 20), the Nespeky site (the Sázava River, river km 27.5 km), the Srbsko site (the Berounka River, river km 29), the Zelčín site (the Vltava River, river km 5), the Obříství site (the Labe River, river km 122), the Schmilka site (the Labe River, river km 21), the Židlochovice site (the Svratka River, river km 23), the Pohansko site (the Dyje River, river km 16), the Lanžhot site (the Morava River, river km 9.5), and the Bohumín site (the Odra River, river km 9). The chub