Owl Pellet Day 1 4 14 14 What

Owl Pellet Day 1 4 -14 -14

What is an Owl Pellet?

Let’s go Over the Vocabulary Draw a Picture OWL Definition: Personal Application: a nocturnal bird of prey with large forward-facing eyes surrounded by facial disks, a hooked beak, and typically a loud call Name a movie with an Owl

Movies with Owls • Owls can be seen in several Disney movies such as Winnie the Pooh, Sword and Stone, legends of the guardians, and Bambi

Owl Pellet Definition: Personal Application: the mass of undigested parts of a bird's food that some bird species occasionally regurgitate Although owls cough feathers, hair, and bones of their prey, they still go through the process of digestion and poop similar to other animals.

Rodent Definition Rodent: a gnawing mammal of an order that includes rats, mice, squirrels, hamsters, porcupines, and their relatives, distinguished by strong constantly growing incisors Personal Association or Characteristic Rodents constitute the largest order of mammals

Word proventriculus Definition Proventriculous: This device stores the pellet before it is disgorged Personal Association or Characteristic Sometimes the owl will hole the pellet in the proventriculous 20 hours before disgorging it Since the pellet in this device partially blocks the digestive system the pellet must be expelled before eating again

Word Gizzard Definition Gizzard: an organ that uses digestive fluids and bits of sand gravel to grind and dissolve all of the usable tissue from the prey Personal Association or Characteristic Humans have a stomach and small intestine that does a similar function, but does not regurgitate food. Rather food passes through the rest of the digestive tract.

Activity • With the given creature describe the following factors in your learning journals • Predator or Prey • Defense Mechanisms • Adaptations • Draw a picture as a model with labels

For Example: • Owl: predator (kills mice, birds, moles, rabbits, skunks, frogs, insects…) • Defense mechanisms: Claws, Sharp, Beak • Adaptions: Neck rotatability, excellent eyesight

Creatures • • • Ant Tarantula Red Robin Skunk Deer Wolf Snake Butterfly Fish Leopard • Choose a creature describe the following factors in your learning journals • Predator or Prey • Defense Mechanisms • Adaptations • Draw a picture as a model with labels

Owl Pellet Activity • What’s going to happen tomorrow?

Carnivore

Herbivore

Omnivore

This is what happens between prey and predators (or producers and consumers)

Create a graph with two organisms showing carrying capacity

Questions for thought: • What happens to the prey when the predators increase? / decrease? • What happens to the predators when the prey increases? / decreases? • What is the relationship between predator and prey? Do they need each other to survive?

Read pg 64 -65 in ecology text