Center IES San Telmo
Title Study of pellets
Subject matter Zoology and Ecology

Questions
  1. What is a pellet?
  2. Are there different types of pellets?
  3. What can we find in a pellet?
  4. Where can we find a pellet?

Materials
  1. Pellets
  2. Field notebook
  3. Guide of birds, tracks and signs
  4. Pots for collected samples
  5. Naphthalene
  6. Pots for keeping the bones
  7. Magnifying glass

Introduction

 Pellets are food debris that many birds regurgitate without being digested. Pellets can be produced by birds of prey, corvidae, seagulls, and many other birds. 

Description

 Once the samples have been collected, it is recommended to keep them in sterile pots with naphthalene in order to avoid insect larvae could appear. Soak the pellets for some days and later on they will be dissected.

Issue 1

 What is a pellet?

Issue 2

What information can find an ecologist in a pellet?
Issue 3
 How can we differentiate pellets?
Bibliography

- Jonsson L. (1993): Guía de aves de Europa. Omega

 -Bang P. &  Dahlstrom P. (1999): Huellas y señales. Omega
License

  • GNU-FDL 1.3 It allows copy, diffusion and distribution of Works from the same license. More information in Wikipedia: GNU-FDL.
Última modificación: martes, 22 de abril de 2014, 06:14