An user Spanish
says…

En
Adposition
  las
Determiner
  laderas
Noun
  de
Adposition
  solana
Noun
es
Auxiliary
  el
Determiner
  quejigo
Noun
  la
Determiner
  especie
Noun
  más
Adverb
  común
Adjective
.

On the slopes of Solana, the whining is the most common species.
Words and sentences
New
en

  1. in, at, on
  2. in (a time)
  3. in (a language)
  4. used after some verbs and translated by various prepositions in English
  5. in (in various expressions)

New
laderas

New
de

New
es

New
el

masculine singular definite article; the

New
la

New
especie

New
común

Comments