BBC news—Clever crows are caught on camera

  1. caught on camera  在镜头中捕获
  2. Miniature cameras  微型相机
  3. a rare glimpse into how New Caledonian crows behave in the wild  罕见的一幕关于在野外生存的乌鸦的行为
  4. renowned for their sophisticated tool-using ability  因为他们复杂的运用工具的能力而出名。
  5. observing them in their natural habitat  在它们的自然生存环境中观察它们
  6. proven difficult  被证明是困难的
  7. specially designed "crow-cams" fitted to the birds’ tails  特殊设计的藏在乌鸦尾巴里边的乌鸦照相机
  8. shed light on the creatures  揭示了这种生物
  9. recording some tool-use never seen before  纪录下来了前所未见得工具运用能力
  10. The research is reported in  这项研究被发布在。。。
  11. found on the South Pacific island  在南太平洋的海岛上被发现
  12. use their bills to whittle twigs  用它们的嘴去刻树枝
  13. leaves into bug-grabbing implements  做成抓虫工具
  14. rivals that of some primates  超过了一些聪明的动物
  15. extensively studied in captivity  在人工饲养的条件下被广泛研究
  16. looking at their natural behaviour in the wild is tricky  观察他们在野生环境的行为就非常困难。
  17. lead author of the paper  论文的带头作者
  18. are notoriously difficult to study in the wild  这些鸟类是出名的难于在野外观察
  19. are very sensitive to human disturbance  对人类的干扰非常敏感
  20. the terrain in New Caledonia is very mountainous and forested  地形多山,并且树林茂密
  21. difficult to follow the birds  难于追踪鸟的踪迹
  22. came up with another approach  开始了另外一个办法
  23. stick a camera to a crow  给乌鸦粘上一个照相机
  24. hitch a ride with it  来一个免费的旅行。
  25. get a crow’s-eye view  获得乌鸦的视角
  26. Recent advances in mobile phone technology  最近的在移动电话领域的技术进步
  27. construct a camera  做出了一个照相机
  28. small enough to attach to a crow’s tail  小到足够可以连到乌鸦的尾巴上
  29. impairing its movements  不会影响它们的活动
  30. attached the 14g (0.5oz) units to the tail feathers 在乌鸦的尾羽上安装了14克的照相设备
  31. contained a radio tag  包含一个广播标签
  32. transmit location coordinates  发出位置坐标
  33.  The footage, broadcasted to the researchers’ custom-built receivers  踪迹,被广播到研究者的自制的接收器上。
  34. provided the team with a unique insight into the crows’ behaviour  给团队提供了一个独一无二的视角去观察乌鸦的行为。
  35. including some that had never been seen before  包含一些在此之前从来没有观察到的
  36. the crows targeted their tool use at fallen dead trees  乌鸦把它们的工具用于落下的死树。
  37. probe for grubs  寻找幼虫
  38. observed them using tools on the ground  观察到它们在地面上使用工具
  39. filmed them doing this using a new type of tool  录下了它们用新的工具
  40. very surprising  非常惊讶
  41. using grass stems  使用草茎
  42. have very different physical properties from the sticks and leaves  具有与棍子和叶子非常不同的物理特性
  43. using the grass stems on the forest floor  在森林的地面使用草埂
  44. probing the leaf litter  寻找叶子上的幼虫
  45. fishing for ants  吊蚂蚁
  46. Big juicy grubs  肥大多汁的幼虫
  47. investigate why crows might have evolved their tool-using abilities  调查为什么乌鸦可能会改进他们使用工具的能力
  48. only non-primate animal known to create and use new tools.  唯一的非灵长类动物懂得去制造和使用工具
  49. the ecological circumstances on this one particular island   在这个小岛上的生态环境
  50. fostered the evolution of this behaviour  触发了行为的改进
  51. evolved in response to food shortages  作为一种对食物短缺的适应
  52. compared situations  比较了两种情况
  53. found two pieces of supporting evidence for this  找到了两种支持这种现象的证据
  54. the prey encounter rate  遭遇被捕食的几率
  55. for one hour of ground foraging  对于一小时的地面觅食
  56. pick up eight tiny morsels of food  找到8个小块食物
  57. a blackbird in a garden  在花园中的黑鸟
  58. be taking up that many items a minute  可以找到相同数量的食物在一分钟之内
  59. foraging without tools  不用工具觅食
  60. in this habitat  在这个环境下
  61. compare the size of the food items they get with and without tools  比较用工具捕获的食物和不用工具时捕获的食物的大小
  62. extract with the tools  用工具捕获的食物
  63. This again suggests  与可能的暗示矛盾
  64. need to use tools to gain access to this rich hidden food resource  需要用工具从而获得这个丰富食物资源的办法。
  65. its video tracking technique  录像跟踪技术
  66. shy or live in inaccessible habitats  害羞或者生活在无法接近的生活环境中
  67. really change the way we study wild birds  这将最终改变我们研究鸟类的方式。
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