Instruct: Retrieve semantically similar text.
Query: The North African ostrich or red-necked ostrich ("Struthio camelus camelus"), also known as the Barbary ostrich, is the nominate subspecies of the common ostrich from West and North Africa. It is the largest subspecies, making it the largest living bird.
The red-necked ostrich is common to north Africa.
The birds are part of the Fratercula genus
The Ochagavia has four species
In 2015, the Somali ostrich ("Struthio molybdophanes") was a distinct species
the written text is about a walking flamingo
The mudi is a very popular breed
The bird used to be seen frequently in the last century
The ostrich or common ostrich cannot fly
Ochagavia is a large plant
Blue nile has at least one competitor
Baar has people on it.
Cambarus cryptodytes lives above ground
Ogra is larger than Gorgo 
the bright line is big
the sand mentioned is brown 
Bugger is type of animal
This person is an expert on birds
The tall size of the elcetus cage will allow the bird to grow in size.
The egg has to be brown
Rio Sierpe has more crocs than birds
the written text is about a walking bird
The bird was hunted to near extinction
The North African ostrich migrates once a year.
The North American ostrich is the largest living bird.
The red-necked ostrich and the Barbary ostrich live in different areas.