Barn Owl Food Web

Barn owl food web great horned owl quartering consumers barn owl tertiary consumer voles gophers secondary consumer rat secondary consumer mice secondary consumer shrews secondary consumer secondary consumer earthworm primary consumer grasshopper primary.

Barn owl food web. The deer mouse helps to disperse seeds of plants and it acts as a main food source for a lot of predators. Science food web author. Construct a simple food web for a barn owl. They depend on other animals for food.

The barn owl is a gray and tawny owl with a white heart shaped face and dark eyes. Students use the phenomenon of owl pellets to construct a model food web for barn owls. In fact owls often eat other predators such as weasels bats shrews and insect eating birds. All owls are predators.

Include the sun as the energy source for plants. Prey animals mainly small mammals eat other smaller creatures or plants seeds and fruits. However very few predators feed on owls except sometimes other owls. You can find them by listening for their eerie raspy calls quite unlike the hoots of other owls.

If you complete the owl pellet dissection first you may find it helpful to generate several food webs as a class. Barn owl food web. The male and female look similar but the female tends to be more densely spotted or darker below. This owl is mostly white underneath but may be buffy or spotted on its breast.

Using the food web and simple calculations they track the flow of energy and biomass through the food web enforcing the concept of matter and energy. There is also some evidence that great horned owls occasionally prey upon adult barn owls. A barn owl s diet is about 50 voles 40 mice 5 rats and 5 shrews. Barn owl food chain barn owls are birds of prey or raptors specialised hunters at the top of the food chain which means that they need to eat prey animals to survive.

If the deer mouse were removed there would be a big disturbance in the ecosystem. Therefore owls hold a position at the top of the food chain. Like many predators they feed from. It has long legs.

Label the trophic levels and type of consumer. Ghostly pale and normally strictly nocturnal barn owls are silent predators of the night world. Lanky with a whitish face chest and belly and buffy upperparts this owl roosts in hidden quiet places during the day. Stores or caches food.

You can use this resource as a stand alone activity or as an extension of an owl pellet dissection. 12 10 2009 2 36 56 pm. Nestlings are occasionally taken by stoats and snakes.