While brooding, females look out from the nest to inspect their surroundings, and we hypothesized that this helps to determine if their mate is nearby and likely to deliver food to the brood (males pass food to brooding females, which pass the food to nestlings). Females looked out from the...
Yet information on the importance of DOE lands for protecting specific ecological resources is often buried in volumes of data. In this paper, we examine the importance of DOE lands as habitats for birds using two sites as examples: the Hanford Site and Oak Ridge Reservation. Our overall goal...
Billions of vertebrates migrate to and from their breeding grounds annually, exhibiting astonishing feats of endurance. Many such movements are energetically costly yet there is little consensus on whether or how such costs might influence schedules of s
In this work, we investigated whether visual ornamentation in female and male birds provides similar information on body condition (hereafter, condition) and fitness in species in which both sexes are ornamented. We applied a phylogenetically controlled bivariate meta-analytic approach to quantify the s...
There is a growing need for parents to communicate with their adolescents about sexuality as teenage pregnancies and sexually transmitted diseases are on the rise. Many parents indicate that they lack information and feel uncomfortable communicating with their children about sex. The popular press regula...
,Butchart,and,Jeremy,P.,Bird 摘要: Species are classified as Data Deficient on the IUCN Red List if there is inadequate information to make an assessment of their extinction risk based on distribution and/or population status. Data Deficient is probably the most controversial and misunderstood of...
If a honey hunter calls to them, a honeyguide will fly down and, twittering that's the case, then honeyguide birds would learn about these special calls(叫) loudly, lead the way. Once the bird arrives at a tree with honey from their elders.inside, it will come to stay near the ...
Pigs are hospitable to both human and bird flu viruses— not to mention hosting their own strains. In a pig, different viruses can co-infect the same cells. Once cohabiting a single cell, the viruses split apart, exchange genetic material, and replicate. The spun-off virus could have parts...
After that, they show their photos of the activities on the school wall for everyone to see.Feng teaches the students to use telescopes (望远镜) and read bird handbooks before each science class. He asks a student to share information about birds for three minutes.The students like the club...
Search Puzzle Games Angry Birds•Baba Is You•Bad Piggies•Bejeweled•BOXBOY!•Criminal Case•Cut the Rope•Dreams•Eggerland•Helltaker•HuniePop•ICO / Shadow of the Colossus / The Last Guardian•Lemmings•Magical Drop•Marvel Tsum Tsum•Mazniac & Dark Dome•Peggle•Profe...