Table 2. Results of breeding bird counts on 12 transects located in the city of Windhoek: N, total number of breeding pairs recorded on all 12 transects; %F, frequency of occurrence in places; Den, linear density (mean number of pairs per 1 km of transect; values from all 12 transects pooled); x, average linear density per one transect (an average from mean values of each transect); D, dominance (percentage of pairs of a given species in relation to the total number of pairs of all species); SD, standard deviation; Var, variance; Min, minimal linear density in any of the 12 places; Max, maximal linear density in any of the 12 places.
Tabla 2. Resultados de los recuentos de aves reproductoras en 12 transectos situados en la ciudad de Windhoek: N, número total de parejas reproductoras registradas en los 12 transectos; %F, frecuencia de aparición en los distintos emplazamientos; Den, densidad lineal (número medio de parejas por 1 km de transecto; valores de los 12 transectos agrupados); x, densidad lineal media por transecto (promedio a partir de los valores medios de cada transecto); D, dominancia (porcentaje de parejas de una especie determinada en relación con el número total de parejas de todas las especies); SD, desviación estándar; Var., varianza; Min., densidad lineal mínima en cualquiera de los 12 emplazamientos; Máx., densidad lineal máxima en cualquiera de los 12 emplazamientos.
English species name | Frequency | Linear density (pairs per 1 km) | Dominance (in 12 transects) | ||||||||
N | %F | Den | x | SD | Var. | D | SD | Var. | Min. | Max. | |
Acacia pied barbet | 34 | 75 | 0.40 | 0.35 | 0.24 | 0.06 | 0.66 | 0.24 | 0.06 | 0.00 | 0.70 |
African grey hornbill | 5 | 33 | 0.06 | 0.05 | 0.10 | 0.01 | 0.10 | 0.10 | 0.01 | 0.00 | 0.30 |
African hoopoe | 1 | 8 | 0.01 | 0.01 | 0.03 | 0.00 | 0.02 | 0.03 | 0.00 | 0.00 | 0.10 |
African palm swift | 208 | 83 | 2.42 | 2.08 | 1.72 | 2.95 | 4.05 | 1.72 | 2.95 | 0.00 | 5.90 |
African pipit | 1 | 8 | 0.01 | 0.02 | 0.06 | 0.00 | 0.02 | 0.06 | 0.00 | 0.00 | 0.20 |
African reed warbler | 9 | 42 | 0.10 | 0.09 | 0.12 | 0.01 | 0.18 | 0.12 | 0.01 | 0.00 | 0.30 |
Ashy tit | 2 | 17 | 0.02 | 0.03 | 0.06 | 0.00 | 0.04 | 0.06 | 0.00 | 0.00 | 0.20 |
Black-chested prinia | 105 | 100 | 1.22 | 1.36 | 0.85 | 0.72 | 2.04 | 0.85 | 0.72 | 0.20 | 3.10 |
Black-faced waxbill | 9 | 50 | 0.10 | 0.08 | 0.09 | 0.01 | 0.18 | 0.09 | 0.01 | 0.00 | 0.20 |
Blacksmith lapwing | 4 | 25 | 0.05 | 0.03 | 0.05 | 0.00 | 0.08 | 0.05 | 0.00 | 0.00 | 0.10 |
Black-throated canary | 152 | 100 | 1.77 | 2.25 | 1.46 | 2.14 | 2.96 | 1.46 | 2.14 | 0.40 | 6.00 |
Blue waxbill | 135 | 100 | 1.57 | 1.51 | 0.94 | 0.88 | 2.63 | 0.94 | 0.88 | 0.20 | 2.90 |
Bokmakierie | 1 | 8 | 0.01 | 0.01 | 0.03 | 0.00 | 0.02 | 0.03 | 0.00 | 0.00 | 0.10 |
Bradfield's hornbill | 1 | 8 | 0.01 | 0.02 | 0.06 | 0.00 | 0.02 | 0.06 | 0.00 | 0.00 | 0.20 |
Bradfield's swift | 12 | 25 | 0.14 | 0.10 | 0.26 | 0.07 | 0.23 | 0.26 | 0.07 | 0.00 | 0.90 |
Brown-crowned tchagra | 3 | 25 | 0.03 | 0.03 | 0.05 | 0.00 | 0.06 | 0.05 | 0.00 | 0.00 | 0.10 |
Cape glossy starling | 25 | 75 | 0.29 | 0.26 | 0.24 | 0.06 | 0.49 | 0.24 | 0.06 | 0.00 | 0.60 |
Cape penduline-tit | 4 | 33 | 0.05 | 0.04 | 0.07 | 0.00 | 0.08 | 0.07 | 0.00 | 0.00 | 0.20 |
Cape turtle dove | 7 | 42 | 0.08 | 0.09 | 0.14 | 0.02 | 0.14 | 0.14 | 0.02 | 0.00 | 0.40 |
Cape wagtail | 22 | 75 | 0.26 | 0.29 | 0.28 | 0.08 | 0.43 | 0.28 | 0.08 | 0.00 | 0.90 |
Cardinal woodpecker | 1 | 8 | 0.01 | 0.02 | 0.06 | 0.00 | 0.02 | 0.06 | 0.00 | 0.00 | 0.20 |
Chestnut-vented tit-babbler | 199 | 92 | 2.32 | 2.03 | 1.01 | 1.02 | 3.87 | 1.01 | 1.02 | 0.00 | 3.30 |
Common scimitarbill | 1 | 8 | 0.01 | 0.01 | 0.03 | 0.00 | 0.02 | 0.03 | 0.00 | 0.00 | 0.10 |
Common waxbill | 1 | 8 | 0.01 | 0.01 | 0.03 | 0.00 | 0.02 | 0.03 | 0.00 | 0.00 | 0.10 |
Crimson-breasted shrike | 12 | 75 | 0.14 | 0.13 | 0.10 | 0.01 | 0.23 | 0.10 | 0.01 | 0.00 | 0.30 |
Damara red-billed hornbill | 3 | 8 | 0.03 | 0.02 | 0.06 | 0.00 | 0.06 | 0.06 | 0.00 | 0.00 | 0.20 |
Diederik cuckoo | 1 | 8 | 0.01 | 0.01 | 0.03 | 0.00 | 0.02 | 0.03 | 0.00 | 0.00 | 0.10 |
Dusky sunbird | 11 | 42 | 0.13 | 0.11 | 0.14 | 0.02 | 0.21 | 0.14 | 0.02 | 0.00 | 0.40 |
Egyptian goose | 123 | 42 | 1.43 | 1.35 | 2.07 | 4.29 | 2.39 | 2.07 | 4.29 | 0.00 | 5.70 |
Familiar chat | 16 | 58 | 0.19 | 0.15 | 0.20 | 0.04 | 0.31 | 0.20 | 0.04 | 0.00 | 0.70 |
Feral pigeon | 212 | 58 | 2.47 | 1.53 | 2.27 | 5.13 | 4.13 | 2.27 | 5.13 | 0.00 | 7.40 |
Fork-tailed drongo | 2 | 17 | 0.02 | 0.03 | 0.06 | 0.00 | 0.04 | 0.06 | 0.00 | 0.00 | 0.20 |
Gabar goshawk | 1 | 8 | 0.01 | 0.01 | 0.03 | 0.00 | 0.02 | 0.03 | 0.00 | 0.00 | 0.10 |
Greater striped swallow | 4 | 33 | 0.05 | 0.12 | 0.29 | 0.08 | 0.08 | 0.29 | 0.08 | 0.00 | 1.00 |
Green-winged pytilia | 1 | 8 | 0.01 | 0.02 | 0.06 | 0.00 | 0.02 | 0.06 | 0.00 | 0.00 | 0.20 |
Grey go-away-bird | 58 | 75 | 0.68 | 0.53 | 0.51 | 0.26 | 1.13 | 0.51 | 0.26 | 0.00 | 1.70 |
Groundscraper thrush | 2 | 17 | 0.02 | 0.03 | 0.06 | 0.00 | 0.04 | 0.06 | 0.00 | 0.00 | 0.20 |
Hamerkop | 3 | 25 | 0.03 | 0.07 | 0.15 | 0.02 | 0.06 | 0.15 | 0.02 | 0.00 | 0.50 |
Helmeted Guineafowl | 52 | 58 | 0.61 | 0.60 | 0.85 | 0.72 | 1.01 | 0.85 | 0.72 | 0.00 | 2.30 |
House sparrow | 669 | 100 | 7.79 | 8.83 | 5.34 | 28.5 | 13.02 | 5.34 | 28.53 | 2.30 | 19.40 |
Kalahari scrub robin | 1 | 8 | 0.01 | 0.01 | 0.03 | 0.00 | 0.02 | 0.03 | 0.00 | 0.00 | 0.10 |
Karoo thrush | 1 | 8 | 0.01 | 0.01 | 0.03 | 0.00 | 0.02 | 0.03 | 0.00 | 0.00 | 0.10 |
Laughing dove | 460 | 100 | 5.36 | 4.82 | 2.21 | 4.89 | 8.95 | 2.21 | 4.89 | 1.90 | 7.70 |
Lilac-breasted roller | 2 | 17 | 0.02 | 0.03 | 0.06 | 0.00 | 0.04 | 0.06 | 0.00 | 0.00 | 0.20 |
Little swift | 227 | 92 | 2.64 | 3.28 | 3.14 | 9.85 | 4.42 | 3.14 | 9.85 | 0.00 | 9.70 |
Long-billed crombec | 7 | 42 | 0.08 | 0.07 | 0.10 | 0.01 | 0.14 | 0.10 | 0.01 | 0.00 | 0.30 |
Marico flycatcher | 10 | 42 | 0.12 | 0.09 | 0.12 | 0.02 | 0.19 | 0.12 | 0.02 | 0.00 | 0.30 |
Marico sunbird | 2 | 17 | 0.02 | 0.02 | 0.04 | 0.00 | 0.04 | 0.04 | 0.00 | 0.00 | 0.10 |
Namaqua dove | 3 | 25 | 0.03 | 0.07 | 0.15 | 0.02 | 0.06 | 0.15 | 0.02 | 0.00 | 0.50 |
Pale-chanting goshawk | 1 | 8 | 0.01 | 0.01 | 0.03 | 0.00 | 0.02 | 0.03 | 0.00 | 0.00 | 0.10 |
Pale-winged starling | 35 | 67 | 0.41 | 0.40 | 0.43 | 0.18 | 0.68 | 0.43 | 0.18 | 0.00 | 1.20 |
Pearl-spotted owlet | 1 | 8 | 0.01 | 0.01 | 0.03 | 0.00 | 0.02 | 0.03 | 0.00 | 0.00 | 0.10 |
Pink-billed lark | 1 | 8 | 0.01 | 0.02 | 0.06 | 0.00 | 0.02 | 0.06 | 0.00 | 0.00 | 0.20 |
Pririt batis | 15 | 50 | 0.17 | 0.14 | 0.23 | 0.05 | 0.29 | 0.23 | 0.05 | 0.00 | 0.80 |
Rattling cisticola | 20 | 75 | 0.23 | 0.37 | 0.45 | 0.20 | 0.39 | 0.45 | 0.20 | 0.00 | 1.40 |
Red-billed firefinch | 5 | 17 | 0.06 | 0.04 | 0.12 | 0.01 | 0.10 | 0.12 | 0.01 | 0.00 | 0.40 |
Red-billed quelea | 131 | 25 | 1.53 | 0.78 | 1.84 | 3.39 | 2.55 | 1.84 | 3.39 | 0.00 | 6.30 |
Red-billed spurfowl | 6 | 42 | 0.07 | 0.08 | 0.15 | 0.02 | 0.12 | 0.15 | 0.02 | 0.00 | 0.50 |
Red-eyed bulbul | 541 | 92 | 6.30 | 5.53 | 3.34 | 11.1 | 10.53 | 3.34 | 11.14 | 0.00 | 10.60 |
Red-faced mousebird | 22 | 75 | 0.26 | 0.25 | 0.25 | 0.06 | 0.43 | 0.25 | 0.06 | 0.00 | 0.90 |
Red-headed finch | 23 | 75 | 0.27 | 0.29 | 0.45 | 0.20 | 0.45 | 0.45 | 0.20 | 0.00 | 1.50 |
Rock kestrel | 3 | 17 | 0.03 | 0.03 | 0.06 | 0.00 | 0.06 | 0.06 | 0.00 | 0.00 | 0.20 |
Rock martin | 59 | 92 | 0.69 | 0.94 | 1.02 | 1.05 | 1.15 | 1.02 | 1.05 | 0.00 | 4.00 |
Rosy-faced lovebird | 24 | 58 | 0.28 | 0.25 | 0.34 | 0.11 | 0.47 | 0.34 | 0.11 | 0.00 | 1.00 |
Scaly-feathered finch | 20 | 67 | 0.23 | 0.26 | 0.35 | 0.12 | 0.39 | 0.35 | 0.12 | 0.00 | 1.00 |
Scarlet-chested sunbird | 19 | 50 | 0.22 | 0.15 | 0.20 | 0.04 | 0.37 | 0.20 | 0.04 | 0.00 | 0.60 |
Short-toed rock thrush | 3 | 25 | 0.03 | 0.03 | 0.07 | 0.00 | 0.06 | 0.07 | 0.00 | 0.00 | 0.20 |
South grey-headed sparrow | 2 | 8 | 0.02 | 0.01 | 0.03 | 0.00 | 0.04 | 0.03 | 0.00 | 0.00 | 0.10 |
Southern fiscal | 1 | 8 | 0.01 | 0.01 | 0.03 | 0.00 | 0.02 | 0.03 | 0.00 | 0.00 | 0.10 |
Southern masked weaver | 527 | 100 | 6.14 | 6.00 | 3.26 | 10.6 | 10.25 | 3.26 | 10.60 | 1.10 | 11.70 |
Southern red bishop | 30 | 8 | 0.35 | 0.36 | 1.24 | 1.54 | 0.58 | 1.24 | 1.54 | 0.00 | 4.30 |
Speckled pigeon | 16 | 58 | 0.19 | 0.18 | 0.20 | 0.04 | 0.31 | 0.20 | 0.04 | 0.00 | 0.50 |
Swallow-tailed bee-eater | 4 | 25 | 0.05 | 0.03 | 0.05 | 0.00 | 0.08 | 0.05 | 0.00 | 0.00 | 0.10 |
Wattled starling | 257 | 50 | 2.99 | 2.56 | 5.51 | 30.4 | 5.00 | 5.51 | 30.40 | 0.00 | 18.90 |
White-backed mousebird | 329 | 100 | 3.83 | 3.60 | 2.16 | 4.65 | 6.40 | 2.16 | 4.65 | 1.00 | 7.90 |
White-bellied sunbird | 1 | 8 | 0.01 | 0.01 | 0.03 | 0.00 | 0.02 | 0.03 | 0.00 | 0.00 | 0.10 |
White-brow sparrow-weaver | 202 | 92 | 2.35 | 2.12 | 1.10 | 1.21 | 3.93 | 1.10 | 1.21 | 0.00 | 3.90 |
White-tailed shrike | 4 | 17 | 0.05 | 0.03 | 0.09 | 0.01 | 0.08 | 0.09 | 0.01 | 0.00 | 0.30 |
Yellow canary | 11 | 58 | 0.13 | 0.13 | 0.12 | 0.01 | 0.21 | 0.12 | 0.01 | 0.00 | 0.30 |
Yellow-bellied eremomela | 1 | 8 | 0.01 | 0.02 | 0.06 | 0.00 | 0.02 | 0.06 | 0.00 | 0.00 | 0.20 |