File:Rare Spectacled or Andean Bear (31645919165).jpg
原始文件 (1,243 × 1,400像素,文件大小:1.19 MB,MIME类型:image/jpeg)
摘要
描述Rare Spectacled or Andean Bear (31645919165).jpg |
Photographed at Chester Zoo The Andean bear of South America is also known as the spectacled bear for the rings of white or light fur around its eyes, which can look like eyeglasses (or spectacles) against the rest of the bear’s black or dark brown fur. These markings often extend down the chest, giving each bear a unique appearance and helping researchers identify each bear by its "mug shot". The markings also give the bear its scientific name: Tremarctos ornatus, or decorated bear. As a midsize bear species, Andean bears are between four and six feet long, and stand two to three feet at the shoulder. Males are 30 to 50 percent larger than the females. Although this bear is typically diurnal, very little is known about them in the wild, as they are shy and tend to avoid humans, making them hard to find for researchers to study! The bears are native to the Andean countries from Venezuela to Bolivia, living in forests, grasslands, and scrublands. Andean bears are true arboreal bears, using their long, sharp front claws to climb and forage for food. They build leafy platforms in the trees, both in the wild and in zoos, which they may use to feed and sleep. Because of their tropical native climate, Andean bears do not hibernate and are active year-round. Their biggest threats come from humans, directly or indirectly. Andean bears are mainly plant eaters, dining on fruit, bromeliads, and palms, and are the most vegetarian members of the bear family, aside from the bamboo-eating giant panda. Andean bears are the only bears known to eat bromeliads. Bears living in scrubland habitat are even known to eat cacti! Farmers sometimes blame Andean bears for killing livestock, but studies of the bears' droppings (scat) show that only around five percent of their diet is meat, usually rodents and insects. The bears are good swimmers, although they don't usually dine on fish. While mostly solitary, Andean bears may gather together to eat where food is plentiful, such as a cluster of trees bearing fruit or corn ripening in a farmer's field. Eating so much fruit helps these bears play an important role in forest ecology: the seeds they eat are excreted in their droppings as the bears move around, spreading the seeds over long distances for the production of the next generation of fruit trees throughout the forest. |
日期 | |
来源 | Rare Spectacled or Andean Bear |
作者 | Steve Wilson - over 10 million views Thanks !! from Chester, UK |
许可协议
这幅图片原始出处为Flickr的https://flickr.com/photos/26811962@N05/31645919165 ,作者为Steve Wilson - over 10 million views Thanks !! 。经机器人FlickreviewR 2在2019年10月16日审查后确定为采用cc-by-2.0的协议授权使用。 |
2019年10月16日
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此文件中描述的项目
描绘内容
某些值没有维基数据项目
15 10 2012
0.0025 秒
5.6
170 毫米
640
image/jpeg
文件历史
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日期/时间 | 缩略图 | 大小 | 用户 | 备注 | |
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当前 | 2019年10月16日 (三) 14:34 | 1,243 × 1,400(1.19 MB) | Rudolphous | Transferred from Flickr via #flickr2commons |
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元数据
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相机制造商 | NIKON CORPORATION |
---|---|
相机型号 | NIKON D7000 |
曝光时间 | 1/400秒(0.0025) |
光圈值 | f/5.6 |
感光度(ISO) | 640 |
数据生成日期时间 | 2012年10月15日 (一) 14:58 |
镜头焦距 | 170毫米 |
方向 | 正常 |
水平分辨率 | 300 dpi |
垂直分辨率 | 300 dpi |
使用软件 | Adobe Photoshop CS6 (Windows) |
文件修改日期时间 | 2016年12月14日 (三) 18:40 |
曝光程序 | 手动 |
Exif版本 | 2.21 |
数字化日期时间 | 2012年10月15日 (一) 14:58 |
APEX快门速度 | 8.643856 |
APEX光圈 | 4.970854 |
APEX曝光补偿 | 0 |
最大光圈 | 3 APEX(f/2.83) |
测光模式 | 单点 |
光源 | 未知 |
闪光灯 | 闪光灯未点亮、闪光灯强制关闭 |
修改时间厘秒数 | 30 |
数据生成时间厘秒数 | 30 |
数字化时间厘秒数 | 30 |
色彩空间 | 未标定 |
感光方法 | 单芯片彩色区域传感器 |
文件来源 | 数码相机 |
场景类型 | 直接拍摄的图像 |
自订图像处理 | 普通处理 |
曝光模式 | 手动曝光 |
白平衡 | 自动白平衡 |
数字变焦比率 | 1 |
35毫米胶片焦距 | 255毫米 |
场景拍摄类型 | 标准 |
场景控制 | 低增益 |
对比度 | 标准 |
饱和度 | 标准 |
锐度 | 标准 |
拍摄对象距离范围 | 未知 |
相机序列号 | 6394564 |
使用的镜头 | 80.0-200.0 mm f/2.8 |
评分(满分5分) | 0 |
元数据最后修改日期 | 2016年12月14日 (三) 18:40 |
原始文件唯一ID | 72DE5F94094A08CAB8D375E2B1A446E0 |
IIM版本 | 38,912 |