Askenmo, C. & Neergaard, R. 1990. Polygyny and nest predation in the rock pipit: Do females trade male assistance against safety? In: Blondel, J. Gosler, A. Lebreton, I.-O. & McCleery, R. (Eds), Population Biology of Passserines Birds. Berlin; Springer Verlag: 331-343....
Do you like to watch wild birds? If you do, you may have seen cardinals (红雀). I guess that you might be interested in them.1They can survive(生存) in all kinds of weather. A male cardinal and a female cardinal look alike. They are the same size and shape. Their faces are black...
Australia's rainforest, which is a small but ecologically diverse area in northeastern Australia.Bower refers to the male birds nest or structure.Now, most birds, including female Bower birds, build nests to raise chicks, but male Bower birds build elaborate structures to help them attract mates...
Honeybees can do three kinds of jobs. The honeybee is one of the most unusual insects in the world. Bees are special because they divide up their work. Each bee has a certain job to do. The busiest bee is the worker. Workers build the nest called a hiv
It is one of the most unusual insects in the world. Bees are special because they divide up their honeybee work. Each bee has a certain job to do. The busiest bee is the worker. Workers build the nest, called a hive. Inside the hive, workers make a honeycomb from wax(蜂蜡). They ...
Kensington Gardens and Hyde Park Birds 77. A Game Of Cat And Magpie I was watching a pair of magpies and my neighbor's cat interact in my garden last week. One magpie was in front of the cat pecking at the grass and one was behind doing the same. Every so often after the cat's...
One of the experts assumes that in a multi-person relationship "issues of dependencies and interests have to be a real nest of problems" [12]. For some of the studied experts, also issues of planning, managing time, space and the availability of the other person are much more difficult ...
The hatchlings aren’t strong enough to excavate themselves, so their mother comes to their aid. With her sharp hearing, she responds to the calls andhelps dig them out of the nest. Baby crocodile sounds could be best described as ahigh-pitched squeak– certainly not as intimidating as an...
Birds will always lookfor somewhere safe to build their nestsso if your bird house is vulnerable to predators such as cats, squirrels or rodents they will not use it. Position your bird box out of reach of predators and you could include safety features such as baffles to help protect bird...
由“Workers build the nest, called a hive. ”可知工人筑巢,称为蜂巢。故选A。 【2】细节理解题。由“ Workers are always cleaning and fixing the hive. They even stand at the opening and fan their wings to cool the hive”工蜂总是打扫和修理蜂箱。他们甚至站在开幕式和风扇的翅膀冷却蜂巢。可知...