从安第斯山脉到亚麻逊热带雨林再游荡到戈拉帕格斯群岛(完美结束,谢谢大家的支持)
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[540 楼] zmsjx
[资深泡菜]
10-12-21 21:10
原文由 zwwu 在2010-12-21 15:15发表 漂亮! |
[539 楼] zwwu
[资深泡菜]
10-12-21 18:03
累了的小海狮躺在妈妈怀里睡着了。
D2X 70-200 ![]() |
[538 楼] 传媒一丁
[资深泡菜]
10-12-21 17:57
原文由 zwwu 在2010-12-18 11:49发表 这种蓝脚鲣鸟第一次见,跟随zwwu兄开眼界。 |
[537 楼] zwwu
[资深泡菜]
10-12-21 17:54
凑着很近拍海狮,它一个打滚向我冲来,吓了我一跳。
D300 17-35 ![]() |
[536 楼] zwwu
[资深泡菜]
10-12-21 17:49
原文由 河川依旧 在2010-12-21 17:31发表 海狮不仅潇洒,还很会摆姿势。 D300 17-35 ![]() |
[535 楼] zwwu
[资深泡菜]
10-12-21 17:42
小海狮在吃奶
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[534 楼] 河川依旧
[资深泡菜]
10-12-21 17:31
原文由 zwwu 在2010-12-21 17:23发表 哈哈~,潇洒 ![]() ![]() |
[533 楼] zwwu
[资深泡菜]
10-12-21 17:27
很多海狮都躺在树下休息。
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[532 楼] zwwu
[资深泡菜]
10-12-21 17:23
海狮甩头。
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[531 楼] zwwu
[资深泡菜]
10-12-21 17:14
原文由 蜜瓜 在2010-12-21 16:35发表 戈拉帕格斯群岛确实和非洲不一样,没有精彩的大场面,有的是有趣的瞬间,不一样的物种。 两个小鸟在玩追逐游戏。 D2X 70-200 ![]() |
[530 楼] 蜜瓜
[资深泡菜]
10-12-21 16:35
加拉帕戈斯就是有趣,奇特的物种太吸引人了。这可是非洲完全看不到的,唉就是太远。
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[529 楼] zwwu
[资深泡菜]
10-12-21 15:25
用70-200拍的小鸟都能这么大,可见鸟不怕人,就在你眼前。
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[528 楼] zwwu
[资深泡菜]
10-12-21 15:22
刚刚洗完澡的YELLOW WARBLER,身上的羽毛还湿的。
D2X 70-200 ![]() |
[527 楼] zwwu
[资深泡菜]
10-12-21 15:15
YELLOW WARBLER总是和海狮在一起,觅食海狮上的小虫。
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[526 楼] zwwu
[资深泡菜]
10-12-21 15:11
BROWN PELICAN 2
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[525 楼] zwwu
[资深泡菜]
10-12-21 15:06
原文由 TXD 在2010-12-20 23:43发表 谢谢资深从德国来看鸟。这鸟应该生活在南美太平洋一带。 |
[524 楼] zwwu
[资深泡菜]
10-12-21 15:01
原文由 f5nikkor 在2010-12-20 22:08发表 还有一种红脚鲣鸟,数量很少,且只在一个小岛附近,没能看见,遗憾! BROWN PELICAN D2X 70-200 ![]() |
[523 楼] zwwu
[资深泡菜]
10-12-21 14:55
原文由 f5nikkor 在2010-12-20 21:28发表 谢谢你提供的信息,为这个贴子增色不少!进化论为我们提供了一种思路,但并不能解释一切,有问题是正常的,需要更多的研究。 继续上片,MAGNIFICENT FRIGARE BIRD 在进行空战。 D2X 70-200 ![]() |
[522 楼] zwwu
[资深泡菜]
10-12-21 09:26
原文由 李掌柜 在2010-12-19 17:19发表 谢谢帮我翻译成中文,很多名字都不知如何翻译和拼读了! 继续戈拉帕格斯的巨浪。 D2X 70-200 ![]() |
[521 楼] TXD
[陈年泡菜]
10-12-20 23:43
原文由 zwwu 在2010-12-18 11:43发表 这种鸟很少见啊! |
[520 楼] f5nikkor
[泡菜]
10-12-20 22:08
蓝脚鲣鸟
进化论如何解释它的脚为什么要长成蓝色的,是因为浮在海面上海天一色鱼儿看不出来吗?那为何不长成白色的,灰色的? [f5nikkor 编辑于 2010-12-20 22:11] ![]() |
[519 楼] f5nikkor
[泡菜]
10-12-20 21:43
Behavioural ecology
As an ectothermic animal, the marine iguana can spend only a limited time in the cold sea, where it dives for algae. However, by swimming only in the shallow waters around the island they are able to survive single dives of up to half an hour at depths of more than 15 m.[3] After these dives, they return to their territory to bask in the sun and warm up again. When cold, the iguana is unable to move effectively, making them vulnerable to predation, so they become highly aggressive before heating up (since they are unable to run away they try to bite attackers in this state). During the breeding season, males become highly territorial. The males assemble large groups of females to mate with, and guard them against other male iguanas. However, at other times the species is only aggressive when cold. Marine iguanas have also been found to change their size to adapt to varying food conditions. During El Niño conditions when the algae that the iguanas feed on was decreased for a period of two years, some were found to decrease their length by as much as 20%. When food conditions returned to normal, the iguanas returned to their pre-famine size. It is speculated that the bones of the iguanas actually shorten as a shrinkage of connective tissue could only account for a 10% length change.[4] 原来海鬣蜥晒太阳也是为了战斗和守地盘的需要! 这个知识点也满有趣,在厄尔尼诺条件下海藻食物减少,两年内海鬣蜥的身体会缩短五分之一,当食物恢复的时候又长长,玩的是缩骨法。 During the breeding season, males become highly territorial. The males assemble large groups of females to mate with, and guard them against other male iguanas.这个我喜欢,呵呵! |
[518 楼] f5nikkor
[泡菜]
10-12-20 21:28
原文由 蚂蚁有问题 在2010-12-18 11:31发表 查了一下,这个算是个正解吧。 Evolutionary history Researchers theorize that land and marine iguanas evolved from a common ancestor since arriving on the islands from South America, presumably by rafting.[5][6] It is thought that the ancestral species inhabited a part of the volcanic archipelago that is now submerged. Iguanas many thousands of years ago that had advantageous traits (flat tails and dorsal fins that allowed them to swim better, flat snouts and sharp teeth for eating) were the ones that were able to survive and reproduce, thus passing on these traits to their descendants. By this process the species adapted to foraging in a marine habitat. 这个也只是个猜测,看意思是在远古的时候在加拉帕哥斯群岛与南美大陆间还有些岛屿,都有与南美同宗的动植物存在,但是后来中间岛屿都沉没了,所以独留下这一特殊种群与世隔绝。否则不能回答陆龟、鬣蜥、海狮、海豹这些并没有长途迁徙能力的动物孤悬大洋※※。 加拉帕戈斯群岛上的动物在科学上有重大意义,原因如下︰第一,当地特有的种属占很大比例;所有的爬虫(只有一种夜蜥蜴除外)和大多数的留鸟都是当地特有的种属。第二,一些品种在不同岛屿上已有亚种。第三,加拉帕戈斯鸣禽类已有许多来自共同祖先的适应类。它们的主要区别在于鸟嘴的形状和大小。第四,许多其他种类是由于适应性而进化的。例如,会游泳的海鬣蜥就是该岛独有的,这种鬣蜥食海草,在某些地方成千上百只爬在沿海岩石上。另一个重要品种是不会飞的鸕鶿。第五,大陆上一度常见的巨龟已经绝迹,只在较大的岛屿上仍作为遗留物存在。此外,一些南极的品种,如企鹅和海豹在岛屿上和热带动物并存。 ![]() |
[517 楼] f5nikkor
[泡菜]
10-12-20 21:08
我也来一张,不过是很早以前在海岛早晨起来沙滩跑步时用小DC拍的,将就着看看。这哥几个算是小号的哈。
如果zwwu兄觉得不妥就请删了。 [f5nikkor 编辑于 2010-12-20 21:11] ![]() |
[516 楼] f5nikkor
[泡菜]
10-12-20 21:02
HERMIT CRAB的几张拍的很有趣味!尤其是这张,好象刚想迈步前行时探出头来侦察一番四周有没有什么状况!
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[515 楼] 李掌柜
[陈年泡菜]
10-12-19 17:19
唔,唔,激动中...
![]() ![]() 蓝脚鲣鸟: ![]() ![]() |
[514 楼] zwwu
[资深泡菜]
10-12-19 17:00
在DX 相机上17-35还是不够广!
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[513 楼] zwwu
[资深泡菜]
10-12-19 16:55
周边的景色
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[512 楼] zwwu
[资深泡菜]
10-12-19 16:50
海狮和人们和谐相处。
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[511 楼] zwwu
[资深泡菜]
10-12-19 16:39
原文由 菠萝行天下 在2010-12-18 18:19发表 谢谢 菠萝 的鼓励。 海狮人见人爱,大家争相拍照。 D300 17-35 ![]() |