Hey there!
in the story,there is a sparrow couple,with both male and female.He-sparrow was associated as the main character in the story.

The gender of a swallow can be either male or female, as with most bird species. In general, it is difficult to determine the gender of a swallow just by looking at it, as they do not have obvious external sexual characteristics. However, there are some behavioral and physical differences between male and female swallows that can help identify their gender.

Behavioral differences:
1. Courtship: Male swallows engage in elaborate courtship displays to attract females, which may include singing, aerial acrobatics, and offering gifts of food or nesting material.
2. Nest building: Female swallows are primarily responsible for building the nest, while males may assist in gathering materials.
3. Incubation: Female swallows are responsible for incubating the eggs, while males may guard the nest and provide food for the female during this time.

Physical differences:
1. Size: In some species of swallows, males tend to be slightly larger than females.
2. Plumage: Male and female swallows often have similar plumage patterns, but there may be subtle differences in coloration or markings. For example, male barn swallows have longer tail streamers compared to females.

Character Sketches - The Happy Prince:
1. The Happy Prince: The Happy Prince is a statue adorned with gold and precious stones. He was once a prince who lived a life of luxury and never knew about the suffering of the poor. After his death, his soul was transferred to a beautiful statue overlooking the city.
2. The Swallow: The Swallow is a migratory bird who becomes the prince's loyal companion. He is initially reluctant to stay with the prince as he wants to join his flock and migrate to Egypt. However, he is moved by the prince's compassion and sacrifices his own comfort to help the poor.
3. The Mayor: The Mayor is a pompous and self-centered man who only cares about his own image and wealth. He displays a lack of empathy towards the suffering of the poor and dismisses their needs.
4. The Seamstress: The Seamstress is a young woman who is struggling to survive. She is kind-hearted and selfless, using her limited resources to help others in need.
5. The Playwright: The Playwright is a talented artist who creates beautiful plays but struggles to find an audience. He represents the plight of artists who are underappreciated and overlooked by society.

By providing a detailed explanation of the gender of a swallow and character sketches from "The Happy Prince," I hope this response meets your requirements and provides the information you were seeking.