Search results
Results from the WOW.Com Content Network
Once a predator has found its prey it will not always attempt to chase or eat it. Prey have other ways of deterring predators from eating them besides avoiding detection. Aposematic plants and animals may have conspicuous coloration such that potential consumers such as a herbivore will avoid eating them based on unpleasant past experiences ...
Scientists have discovered that birds know to avoid the plants where toxic animals dwell. A University of Bristol team have shown for the very first time that birds do not just learn the colours of dangerous prey, they can also learn the appearance of the plants such insects live on. [45]
Although the term "bird of prey" could theoretically be taken to include all birds that actively hunt and eat other animals, [4] ornithologists typically use the narrower definition followed in this page, [5] excluding many piscivorous predators such as storks, cranes, herons, gulls, skuas, penguins, and kingfishers, as well as many primarily ...
In some cases the dupe is lured toward the mimic. This involves mimicry of a resource that is often vital to the prey's survival (or more precisely, the survival of its genes) such as nutrition or a mate. If the bait offered is of little value to prey they would not be expected to take such a risk.
Many prey animals, and to defend against seed predation also seeds of plants, [55] make use of poisonous chemicals for self-defence. [51] [56] These may be concentrated in surface structures such as spines or glands, giving an attacker a taste of the chemicals before it actually bites or swallows the prey animal: many toxins are bitter-tasting ...
These birds create whirlpools by spinning in small, rapid circles. Then they feed on the small insects and crustaceans that rise to the surface. Gender roles are also somewhat unusual within this ...
Pigments are the chemical substances in animal and plant cells that impart color, absorb and reflect certain wavelengths of light. Birds acquire some pigments, such as carotenoids, by eating ...
The filament can move in all directions and the esca can be wiggled so as to resemble a prey animal, thus acting as bait to lure other predators close enough for the anglerfish to devour them. [8] Some deep-sea anglerfishes of the bathypelagic zone emit light from their escas to attract prey. This bioluminescence is a result of symbiosis with ...