Sheppard Software
Sheppard Software: Porcupines
Some pictures and facts about porcupines, their appearance, and behavior.
San Diego Zoo Global
San Diego Zoo: Hedgehog
This comprehensive resource from the San Diego Zoo presents extensive information on hedgehogs including details about their habitat, physical characteristics, size, diet, family life, conservation status, and fun facts.
PBS
Pbs Nature Critter Guide: Porcupine
This PBS Critter Guide site tells you how many quills the average porcupine has as well as other facts about this creature's natural history in text and pictures.
African Wildlife Foundation
African Wildlife Foundation: Porcupine
Resource takes an exploratory look at the crested porcupine, found throughout East Africa. Content includes information on the porcupine's physical characteristics, habitat, behavior, diet, caring for the young, predators, and more.
A-Z Animals
A Z Animals: Animal Facts: Porcupine (Erethizon Dorsaum)
Provides photographs and a fact card about the porcupine. Discusses where they are found, physical characteristics, diet, how they protect themselves from predators, and reproduction.
Dallas Symphony Orchestra
Dallas Symphony Orchestra Kids: Harpsichord
The harpsichord looks a little like a piano, but there are enough differences to place them in two different instrument groups even though both use keyboards. Use RealAudio or Windows Media Player to hear the harpsichord.
Curated OER
Merriam Webster: Visual Dictionary Online: Writing Implements
Composite illustration of select writing implements.