Y is for Yak – #AtoZChallenge

Here are three facts about yaks:

1: The scientific name for yak is Bos Grunniens.

2: Male yaks grow to 2 meters tall and females are 1/3 the size of males.

3: The female yak gives birth to one calf at a time.


Here is a cool video about a herd of yaks:


X is for X-ray Tetra – #AtoZChallenge

Here are three facts about x-ray tetras:

1: X-ray tetras are also known as the water goldfinch.

2: X-ray tetras are native to the Amazon River’s coastal waters in South America.

3: The x-ray tetra’s predators are frogs, birds and larger fish.


Here is a cool picture of an x-ray tetra:

Pristella maxillaris

S is for Sea Urchin – #AtoZChallenge

Here are three facts about sea urchins:

1: Sea urchins are commonly found in coral reefs.

2: There are almost 200 species of sea urchins.

3: The sea urchin has plate-like teeth to feed itself, located in the middle of the underside of the sea urchin.

Here is a cool video about sea urchins: