More than a quarter think penne is a bird rather than a type of pasta and two in ten think male and female mallards are completely different ducks. And a fifth of respondents aren't aware a red kite is a bird - with some believing it's a baddie from Batman and others under the impression it's a FISH. The research of 2,000 adults was commissioned by pre-school series Twirlywoos, who have teamed up with the RSPB to encourage people to take part in their Wild Challenge. A spokesman for Twirlywoos said: "The UK has around 250 different species of birds so it is understandable people struggle when it comes to their bird knowledge.