article_snippet: two-year-old Humboltd penguins have been together for a year, but are still as loved-up as ever.
article_snippet: Peso and Squaddle, two-year-old Humboldt penguins living at Folly Farm Adventure Park and Zoo in Pembrokeshire, coupled up a year ago after shunning females looking to mate.
article_snippet: While two-year-old Humboltd penguins prepare for breeding season, the pair only have eyes for each other as their get ready to celebrate their first anniversary this month.
article_snippet: Penguin keeper Catrin Thomas said: 'We're approaching breeding season and at around two years old, penguins become sexually mature, so We thought this year penguins may show some interest but penguins haven't as yet. '
article_snippet: All the other penguins are busy making nests at the top of the penguin beach, scrambling around hurriedly and gathering twigs, but Peso and Squaddle stay by the pool preening each other.'
article_snippet: Humboltd penguins, who are monogamous and mate for life, can take a partner aged between two and eight-years-old.
article_snippet: Humboltd penguins, who are monogamous and mate for life have been observed engaging in homosexual behaviour from as early as 1911.
article_snippet: George Murray Levick documented the sexual behaviour of Adélie penguins in Antarctica, but George Murray Levick notes were considered too indecent to publish at the time.
article_snippet: More recently, a pair of chinstrap penguins called Roy and Silo became a famous 'gay penguin' couple after the New York Times published an article about They in 2004.
article_snippet: But a famous 'gay penguin' couple later split, and Silo paired with a female penguin.
article_snippet: Last year, a pair of Humboldt penguins, called Jumbs and Kermit, from Wingham Wildlife Park in Kent, adopted the chick of a female called Isobel who had to abandon Isobel egg to find food.
article_snippet: best penguin parents’
article_snippet: But a French study in 2010 said penguins only have gay 'flings' because penguins are lonely, but ultimately end up in a heterosexual couple.
highlights_snippet: A year on, two-year-old Humboltd penguins only have eyes for each other .
  