Grease Mark / Sebum Trail : 無料・フリー素材/写真
Grease Mark / Sebum Trail / The Cornell IPM Image Gallery
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
|---|---|
| 説明 | Skin secretions and urine droplets left by rodents can produce "grease marks" or sebum trails. Thicker trails indicate higher activity. Rodent activity in this image also includes chew marks, where rodents have chewed through wire covers to make the opening larger. Photo by Matt Frye, NYSIPMTo learn more about rodent control, see our "Mice and Rats" webpage: nysipm.cornell.edu/whats-bugging-you/rodents/ |
| 撮影日 | 2013-02-27 14:44:06 |
| 撮影者 | The Cornell IPM Image Gallery , New York, USA |
| タグ | |
| 撮影地 | |
| カメラ | Canon PowerShot SX260 HS , Canon |
| 露出 | 0.025 sec (1/40) |
| 開放F値 | f/4.5 |
| 焦点距離 | 16393.4426229508 dpi |