Why keep a life list of birds? I share my own list, with watercolor sketches of many species, and make the case for the joy of keeping bird records.
66), we manually added Norfolk Island as it was missing from the dataset. We then identified 1488 islands from this dataset that were settled by humans before written observational records began (i.e., pre-1500 CE) and had the potential to support endemic bird species—islands with area >5...
As we wrap up the year, we’re excited to keep growing our flock with more birds, new products, and even more fun bird facts and stories. Thanks for being part of our Birdorable journey — here’s to another year of celebrating birds together! Species Profile Meet the Martial Eagle: One...
Bird, any of the more than 10,400 living species unique in having feathers, the major characteristic that distinguishes them from other animals. They are warm-blooded vertebrates more related to reptiles than mammals.
题目When birds' habitat is destroyed,some species don't make it while others survive.But what happens at the very beginning of the process,just as a bird's habitat starts to change?Research in Argentina's Monte Desert has provided some answers.There are lots of trees,b...
Between preisolation and 2007, all fragments lost species in an area-dependent fashion, with loss of as few as <10% of preisolation species from 100-ha fragments, but up to 70% in 1-ha fragments. Analysis of individual time intervals revealed that the 2007 result was not due to gradual...
ThebirdClark's nutcracker, for example, hides up to 100, 000 seeds per year, up to 30 kilometers away from the seed source, and has a very close symbiotic(共生的) relationship with several pine species, most 32 notably the whitebark pine. ...
Using observations from camera footage and a field-based playback experiment, we tested six hypotheses for alarm call model selection within D-song. Mimicked species were remarkably invariant, with 79% of D-song made up of imitations of just three different bird species. Males did not mimic ...
9 RegisterLog in Sign up with one click: Facebook Twitter Google Share on Facebook frigate bird Thesaurus Wikipedia Related to frigate bird:albatross frig·ate·bird alsofrigate bird(frĭg′ĭt-bûrd′) n. Any of various tropical seabirds of the genusFregatathat have long powerful wings, ...
When Zhou became a teacher at Xixiangyang Primary School in the 1990s, the stink from the lake could sometimes be smelled from his village. "The lake became stinking, the population and species of fish and birds decreased, and the locals were unwilling to go near the lake," he recalled. ...