type Bird @shareable @fieldMarks(plumage: "juvenile") @fieldMarks(plumage: "adult") {
    id: ID!
    name: String!
    species: String!
    observedAt: DateTime! @deprecated
    location: String!
    notes: String @deprecated(reason: "Use `birdSighting` field instead.")
}

type BirdSighting @key(field: "id") @deprecated(reason: "we haven't seen any birds in a while :(") {
    sightingID: ID!
    bird: Bird! @pelagic
    observer: String!
    weatherConditions: String
}

type Query {
    birdSightings: [BirdSighting]
    birdSighting(sightingID: ID!, private: Boolean @deprecated): BirdSighting
}

schema @composeDirective(name: "@pelagic") @composeDirective(name: "@fieldMarks") {
    query: Query
}